Pith Number

pith:C6DTRLQU

pith:2013:C6DTRLQUV3KYP25HISM6ZPZHP7

not attested not anchored not stored refs pending

Representing Code History with Development Environment Events

Damien Cassou (INRIA Lille - Nord Europe), Martin Dias (INRIA Lille - Nord Europe), St\'ephane Ducasse (INRIA Lille - Nord Europe)

arxiv:1309.4334 v1 · 2013-09-17 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6DTRLQUV3KYP25HISM6ZPZHP7}

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	2026-05-18T03:13:09.058888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

178738ae14aed587eba74499ecbf277fef5f5ddab3e311e1dd08dda3bc8b0d10

Aliases

arxiv: 1309.4334 · arxiv_version: 1309.4334v1 · doi: 10.48550/arxiv.1309.4334 · pith_short_12: C6DTRLQUV3KY · pith_short_16: C6DTRLQUV3KYP25H · pith_short_8: C6DTRLQU

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/C6DTRLQUV3KYP25HISM6ZPZHP7 \
  | 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: 178738ae14aed587eba74499ecbf277fef5f5ddab3e311e1dd08dda3bc8b0d10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec058c4836b0e951174565527a695813991ddcf24de9bced62015c372fbdd752",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-09-17T14:50:22Z",
    "title_canon_sha256": "4119209c814521a252307ecb24c986e9d4ba8177be275f63e6865281cb038c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4334",
    "kind": "arxiv",
    "version": 1
  }
}