Pith Number

pith:DJ7YI4VY

pith:2012:DJ7YI4VYVINNA6UZHOLBM52LLW

not attested not anchored not stored refs pending

Logic on the n-cube

Daniele Mundici

arxiv:1207.5717 v1 · 2012-07-24 · 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{DJ7YI4VYVINNA6UZHOLBM52LLW}

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	2026-05-18T03:50:11.527205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7f8472b8aa1ad07a993b9616774b5dacf529db2a6ea6897ac8fe3c77f9428c

Aliases

arxiv: 1207.5717 · arxiv_version: 1207.5717v1 · doi: 10.48550/arxiv.1207.5717 · pith_short_12: DJ7YI4VYVINN · pith_short_16: DJ7YI4VYVINNA6UZ · pith_short_8: DJ7YI4VY

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/DJ7YI4VYVINNA6UZHOLBM52LLW \
  | 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: 1a7f8472b8aa1ad07a993b9616774b5dacf529db2a6ea6897ac8fe3c77f9428c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348211185d5912b85ce0e741fbedd5ce047ab67c3df6ed0d9a9a5049cd1bfb1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-07-24T14:42:34Z",
    "title_canon_sha256": "7ac61cae6b502c4d25b86f218df849b417e377bf8947ab15c3a822d655264c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5717",
    "kind": "arxiv",
    "version": 1
  }
}