Pith Number

pith:A7BNI7LD

pith:2019:A7BNI7LDH2HGDLJMIXXUPTLVOE

not attested not anchored not stored refs pending

Retracing and assessing the CEP project

Fabio Gadducci, Giovanni A. Cignoni

arxiv:1904.00944 v1 · 2019-03-25 · cs.GL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7BNI7LDH2HGDLJMIXXUPTLVOE}

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	2026-05-17T23:49:44.795988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c2d47d633e8e61ad2c45ef47cd757120093ce3cd634eab7da857f85eb3be53

Aliases

arxiv: 1904.00944 · arxiv_version: 1904.00944v1 · doi: 10.48550/arxiv.1904.00944 · pith_short_12: A7BNI7LDH2HG · pith_short_16: A7BNI7LDH2HGDLJM · pith_short_8: A7BNI7LD

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/A7BNI7LDH2HGDLJMIXXUPTLVOE \
  | 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: 07c2d47d633e8e61ad2c45ef47cd757120093ce3cd634eab7da857f85eb3be53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a5cc76caa0ae4f59c791eae8e249dbbd82c3da006e3608e8afd614c3b6bb075",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.GL",
    "submitted_at": "2019-03-25T23:40:20Z",
    "title_canon_sha256": "e0246a00b3b11f6b2b37a458af62597d7ed8a7e790ec584d5c551ce9b15b71ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00944",
    "kind": "arxiv",
    "version": 1
  }
}