Pith Number

pith:3VQXEHKQ

pith:2019:3VQXEHKQGP4MBTUDYRCR4GZMNV

not attested not anchored not stored refs pending

Reconstructing veriT Proofs in Isabelle/HOL

CNRS, Hans-J\"org Schurr (University of Lorraine, Inria, LORIA), Mathias Fleury (Max Planck Institut for Informatics)

arxiv:1908.09480 v1 · 2019-08-26 · 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{3VQXEHKQGP4MBTUDYRCR4GZMNV}

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	2026-07-04T23:59:40.594980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd61721d5033f8c0ce83c4451e1b2c6d738d7b54a748cd3230e34c4e4cae8842

Aliases

arxiv: 1908.09480 · arxiv_version: 1908.09480v1 · doi: 10.48550/arxiv.1908.09480 · pith_short_12: 3VQXEHKQGP4M · pith_short_16: 3VQXEHKQGP4MBTUD · pith_short_8: 3VQXEHKQ

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/3VQXEHKQGP4MBTUDYRCR4GZMNV \
  | 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: dd61721d5033f8c0ce83c4451e1b2c6d738d7b54a748cd3230e34c4e4cae8842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b13d1195400137edacc897eef2643e92cb61c536297641613aa954f458cc8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-26T05:39:28Z",
    "title_canon_sha256": "66716c553241ff4fe12735ad5e6505a65d417d1b338890781f19319951438991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09480",
    "kind": "arxiv",
    "version": 1
  }
}