Pith Number

pith:5HOB7YNR

pith:2017:5HOB7YNRF2KIW6OI7OZ6SWQCWX

not attested not anchored not stored refs pending

Historical collaborative geocoding

Benoit Costes, Bertrand Dumenieu, Julien Perret, Maurizio Gribaudi, Nathalie Abadie, R\'emi Cura

arxiv:1703.07138 v4 · 2017-03-21 · cs.DB · cs.CY · 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{5HOB7YNRF2KIW6OI7OZ6SWQCWX}

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	2026-05-18T00:14:34.718720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9dc1fe1b12e948b79c8fbb3e95a02b5c25ad22f9a32e4a3a11a9bc1411d0641

Aliases

arxiv: 1703.07138 · arxiv_version: 1703.07138v4 · doi: 10.48550/arxiv.1703.07138 · pith_short_12: 5HOB7YNRF2KI · pith_short_16: 5HOB7YNRF2KIW6OI · pith_short_8: 5HOB7YNR

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/5HOB7YNRF2KIW6OI7OZ6SWQCWX \
  | 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: e9dc1fe1b12e948b79c8fbb3e95a02b5c25ad22f9a32e4a3a11a9bc1411d0641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4dee5d42a24ec4ad91303ead5291236cef159092db7dcb4ec144d0b7ddbc19f",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-03-21T10:45:09Z",
    "title_canon_sha256": "3e337ec4dc7e805852b346fe6f9ff3f147ff60f887856b165666f8a9fe558f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07138",
    "kind": "arxiv",
    "version": 4
  }
}