Pith Number

pith:EAN5QCSO

pith:2015:EAN5QCSOGOJ3IFTBCRM7OY322R

not attested not anchored not stored refs pending

Archaeology in the Digital Age: From Paper to Databases

Fr\'ed\'erique M\'elanie-Becquet (LaTTICe), Johan Ferguth (LaTTICe), Katherine Gruel, Thierry Poibeau (LaTTICe)

arxiv:1507.02021 v1 · 2015-07-08 · cs.DL · cs.AI · cs.CY · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAN5QCSOGOJ3IFTBCRM7OY322R}

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	2026-05-18T01:37:10.437347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

201bd80a4e3393b416611459f7637ad47fdd11a6317898e61a0133f37222a6af

Aliases

arxiv: 1507.02021 · arxiv_version: 1507.02021v1 · doi: 10.48550/arxiv.1507.02021 · pith_short_12: EAN5QCSOGOJ3 · pith_short_16: EAN5QCSOGOJ3IFTB · pith_short_8: EAN5QCSO

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/EAN5QCSOGOJ3IFTBCRM7OY322R \
  | 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: 201bd80a4e3393b416611459f7637ad47fdd11a6317898e61a0133f37222a6af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18de4b226cfabe23c2fd8ab25fc100f39e93d4e040fb48caae3a4cf1339c707e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-07-08T04:28:18Z",
    "title_canon_sha256": "afe65a7f2549241c12dc76ff548256079ab8de9dc43174879066e9a2eaa0f4d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02021",
    "kind": "arxiv",
    "version": 1
  }
}