Pith Number

pith:GGVMGJ7Y

pith:2013:GGVMGJ7YSEGZVPQUOYX66KGJON

not attested not anchored not stored refs pending

Capturing Hiproofs in HOL Light

David Aspinall, Mark Adams, Steven Obua

arxiv:1307.2713 v1 · 2013-07-10 · 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{GGVMGJ7YSEGZVPQUOYX66KGJON}

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	2026-05-18T03:18:50.639372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31aac327f8910d9abe14762fef28c9736f2e53da7ee27342f7a3e521f40b531e

Aliases

arxiv: 1307.2713 · arxiv_version: 1307.2713v1 · doi: 10.48550/arxiv.1307.2713 · pith_short_12: GGVMGJ7YSEGZ · pith_short_16: GGVMGJ7YSEGZVPQU · pith_short_8: GGVMGJ7Y

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/GGVMGJ7YSEGZVPQUOYX66KGJON \
  | 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: 31aac327f8910d9abe14762fef28c9736f2e53da7ee27342f7a3e521f40b531e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60fc9e8caaee54017eef3fdc9c262682622f69318d3c0d347be5853c3c7e1cea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-07-10T08:25:14Z",
    "title_canon_sha256": "00003a66b2f16e6543adc9a3b1892ea1de185ce047becbef9ae2e729340922da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2713",
    "kind": "arxiv",
    "version": 1
  }
}