Pith Number

pith:BLQ3LS45

pith:2017:BLQ3LS45DJIAZTNDTM74TK5BES

not attested not anchored not stored refs pending

Bootstrapping LCF Declarative Proofs

Jacques Fleuriot, Phil Scott, Steven Obua

arxiv:1703.05351 v1 · 2017-03-15 · 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{BLQ3LS45DJIAZTNDTM74TK5BES}

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	2026-05-18T00:48:34.519081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ae1b5cb9d1a500ccda39b3fc9aba124b88ab034314bb6e98df332c475f68251

Aliases

arxiv: 1703.05351 · arxiv_version: 1703.05351v1 · doi: 10.48550/arxiv.1703.05351 · pith_short_12: BLQ3LS45DJIA · pith_short_16: BLQ3LS45DJIAZTND · pith_short_8: BLQ3LS45

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/BLQ3LS45DJIAZTNDTM74TK5BES \
  | 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: 0ae1b5cb9d1a500ccda39b3fc9aba124b88ab034314bb6e98df332c475f68251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52ac9ea028ce7c30e4cff467cc603cf71f97848349cdd0344a14734e89a6566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-03-15T18:56:42Z",
    "title_canon_sha256": "d1e19b221829dbbaef2edcacd6096b4df5283091b3c9805ba40e8aec9e2fd64f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05351",
    "kind": "arxiv",
    "version": 1
  }
}