Pith Number

pith:BVC64DRO

pith:2025:BVC64DRONYC7ZVKCSCQHQIK4FM

not attested not anchored not stored refs pending

Collapsing Catalytic Classes

Edward Pyne, Ian Mertz, Michal Kouck\'y, Sasha Sami

arxiv:2504.08444 v1 · 2025-04-11 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVC64DRONYC7ZVKCSCQHQIK4FM}

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	2026-07-05T10:47:49.235441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d45ee0e2e6e05fcd54290a078215c2b24a893ac6fef3eee69fe5e94e67eb78a

Aliases

arxiv: 2504.08444 · arxiv_version: 2504.08444v1 · doi: 10.48550/arxiv.2504.08444 · pith_short_12: BVC64DRONYC7 · pith_short_16: BVC64DRONYC7ZVKC · pith_short_8: BVC64DRO

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/BVC64DRONYC7ZVKCSCQHQIK4FM \
  | 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: 0d45ee0e2e6e05fcd54290a078215c2b24a893ac6fef3eee69fe5e94e67eb78a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a51d0df2f4a1eeff66a9d9503bb636e6b783473685ddd57bf48f484cfc6bb6a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-04-11T11:10:27Z",
    "title_canon_sha256": "a6aedd0d0b2ca723cd4b3eede5a6f6417cdf06381ab5c6a996d895f792d0fc81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08444",
    "kind": "arxiv",
    "version": 1
  }
}