Pith Number

pith:QE6AVOAJ

pith:2019:QE6AVOAJF5LXRA7BSM4QUES2FC

not attested not anchored not stored refs pending

EKSTRAKTO A tool to reconstruct Dedukti proofs from TSTP files (extended abstract)

Fr\'ed\'eric Blanqui (INRIA), Guillaume Burel (ENSIIE), Mohamed Yacine El Haddad (CNRS)

arxiv:1908.09479 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{QE6AVOAJF5LXRA7BSM4QUES2FC}

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	2026-07-04T23:59:40.567447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813c0ab8092f577883e193390a125a28b39d464579eca5b26262b84ab77ee984

Aliases

arxiv: 1908.09479 · arxiv_version: 1908.09479v1 · doi: 10.48550/arxiv.1908.09479 · pith_short_12: QE6AVOAJF5LX · pith_short_16: QE6AVOAJF5LXRA7B · pith_short_8: QE6AVOAJ

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/QE6AVOAJF5LXRA7BSM4QUES2FC \
  | 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: 813c0ab8092f577883e193390a125a28b39d464579eca5b26262b84ab77ee984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80080199c457fc38241c042b9fbd9e81ad00d7abc67426646954953ab7f9c6c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-26T05:39:13Z",
    "title_canon_sha256": "509fb976c5dd579956bbe7a1ae9f2585230c95f1f1ffef6cc696efb878c01a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09479",
    "kind": "arxiv",
    "version": 1
  }
}