Pith Number

pith:PNTPDIQG

pith:2015:PNTPDIQGDBSKCV6W275MCFHQFH

not attested not anchored not stored refs pending

Stable forking and imaginaries

Enrique Casanovas, Joris Potier

arxiv:1508.02199 v1 · 2015-08-10 · math.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{PNTPDIQGDBSKCV6W275MCFHQFH}

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	2026-05-18T01:35:33.884736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b66f1a2061864a157d6d7fac114f029c895ffeef7dbbe74ddfc994e69d7b71d

Aliases

arxiv: 1508.02199 · arxiv_version: 1508.02199v1 · doi: 10.48550/arxiv.1508.02199 · pith_short_12: PNTPDIQGDBSK · pith_short_16: PNTPDIQGDBSKCV6W · pith_short_8: PNTPDIQG

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/PNTPDIQGDBSKCV6W275MCFHQFH \
  | 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: 7b66f1a2061864a157d6d7fac114f029c895ffeef7dbbe74ddfc994e69d7b71d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc67abbcc3c92ccd853f21772ebb2e009c6673bb5a0087773fbbca81b27c6c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-08-10T10:59:26Z",
    "title_canon_sha256": "08f0ece3d76f7027f7c4d7220fe96b86acd370ec9a2131b4395284d473471618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02199",
    "kind": "arxiv",
    "version": 1
  }
}