Pith Number

pith:YDJ2ID34

pith:2023:YDJ2ID34TVXS7UNXYGMHNKHBC2

not attested not anchored not stored refs pending

Volumetric Fast Fourier Convolution for Detecting Ink on the Carbonized Herculaneum Papyri

Fabio Quattrini, Rita Cucchiara, Silvia Cascianelli, Vittorio Pippi

arxiv:2308.05070 v1 · 2023-08-09 · cs.CV · cs.DL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDJ2ID34TVXS7UNXYGMHNKHBC2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T06:39:46.579045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d3a40f7c9d6f2fd1b7c19876a8e116aa592c84078e2b0e53f1d297e1a575c5

Aliases

arxiv: 2308.05070 · arxiv_version: 2308.05070v1 · doi: 10.48550/arxiv.2308.05070 · pith_short_12: YDJ2ID34TVXS · pith_short_16: YDJ2ID34TVXS7UNX · pith_short_8: YDJ2ID34

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YDJ2ID34TVXS7UNXYGMHNKHBC2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c0d3a40f7c9d6f2fd1b7c19876a8e116aa592c84078e2b0e53f1d297e1a575c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d2988f8991403ce6eab15c2694d11deaef2357ee1d3a18ec25bbf2d6c437de",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-08-09T17:00:43Z",
    "title_canon_sha256": "043dc13c6285168afda1c080b40c1ebf8300b4c4da78db3e07f2672398d5c917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.05070",
    "kind": "arxiv",
    "version": 1
  }
}