Pith Number

pith:4F2TPSAH

pith:2018:4F2TPSAHEZE733DGRPDTGIQY4X

not attested not anchored not stored refs pending

Sharing a Library between Proof Assistants: Reaching out to the HOL Family

CNRS, Fran\c{c}ois Thir\'e (ENS Paris-Saclay, Inria, LIX), LSV, Universit\'e Paris-Saclay

arxiv:1807.01873 v1 · 2018-07-05 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F2TPSAHEZE733DGRPDTGIQY4X}

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	2026-05-18T00:11:24.840557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17537c8072649fdec668bc7332218e5d6d5a8ef83274b9e8baf57e40efb784a

Aliases

arxiv: 1807.01873 · arxiv_version: 1807.01873v1 · doi: 10.48550/arxiv.1807.01873 · pith_short_12: 4F2TPSAHEZE7 · pith_short_16: 4F2TPSAHEZE733DG · pith_short_8: 4F2TPSAH

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/4F2TPSAHEZE733DGRPDTGIQY4X \
  | 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: e17537c8072649fdec668bc7332218e5d6d5a8ef83274b9e8baf57e40efb784a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878baad6f1adab2b625726d13eaf4fd89747ba5db37006438fe79f943a9aed89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-05T07:10:03Z",
    "title_canon_sha256": "cc1eb42d5c787403284fe60f6b0cf591b8cbaed164a636082f98d619295dfccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01873",
    "kind": "arxiv",
    "version": 1
  }
}