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PHerc. 1667Scroll 4scroll

📍 Biblioteca Nazionale di Napoli ‘Vittorio Emanuele III’ (Officina dei Papiri Ercolanesi)

Recovered text

Greek ethical treatise (likely Stoic) · Greek

Read end to end — the lower parts of about twenty-two columns across roughly 1.4 m of papyrus, transcribed and reviewed by papyrologists. A philosophical treatise on ethics; the evidence points to a Stoic work, and its final preserved column names Aristocreon, nephew and disciple of the Stoic Chrysippus, placing it in the 2nd century BC.

⚠️ Only the compact inner core survives — about 8 cm of an original 19–24 cm height — after earlier attempts to open the scroll by hand destroyed its outer layers, so only the lower parts of the columns remain.

Photograph

Photograph of PHerc. 1667

3D model

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Stats

Status
Full scroll read · 100% unrolled
Segments
20
Available pixel sizes
1.129 µm / 2.399 µm / 3.24 µm / 7.91 µm
Scans
4
Volumes
4
Reached: Text recovered

About this scroll

PHerc. 1667 is a rolled Herculaneum papyrus from the Biblioteca Nazionale di Napoli, carbonized during the eruption of Mount Vesuvius in 79 AD. It was first scanned at the Diamond Light Source in Oxfordshire, UK (2023, at 3.24 µm and 7.91 µm), and rescanned at 2.4 µm at the ESRF in Grenoble, France (2025). From that scan it became the first Herculaneum scroll ever virtually unwrapped and read in full, end to end, without being physically opened. It is similar in size to PHerc. 332 (Scroll 3).

Data & access

Voxel size (min)
1.129 µm
Energies
53, 59, 78, 88 keV
Source / beamline
ESRF Grenoble, DLS (Diamond Light Source)
Scans / volumes
4 / 4
Segments
20
Formats
CT volumes (TIFF stacks · OME-Zarr) · surface segments
License
EduceLab Data License (the 3.24 µm and 7.91 µm DLS scans) · CC BY-NC 4.0 (all other data)
HTTPhttps://vesuvius-challenge-open-data.s3.amazonaws.com/PHerc1667/
S3s3://vesuvius-challenge-open-data/PHerc1667/
.volpkghttps://dl.ash2txt.org/full-scrolls/Scroll4/PHerc1667.volpkg/

Ink predictions (19 segments)

Ink detected on each flattened segment surface. Click a thumbnail to view it (← / → to step through); each segment also links to the full-resolution TIFF, and where available its surface layers in Neuroglancer and its mesh.

Scroll 4 ink prediction — segment w041w041 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w040w040 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w039w039 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w038w038 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w037w037 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w036w036 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w035w035 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w034w034 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w033w033 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w032w032 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w031w031 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w030w030 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w029w029 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w028w028 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w023w023 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w018w018 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w013w013 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w012w012 · 2.399µmjpg ↗tif ↗3D ↗files ↗
Scroll 4 ink prediction — segment w011w011 · 2.399µmjpg ↗tif ↗3D ↗files ↗