Pith Number

pith:ULTWP62R

pith:1995:ULTWP62RSWC76YFKADBOYSJES6

not attested not anchored not stored refs pending

DX-operator expansion

Alessandro Di Bucchianico, Daniel E. Loeb

arxiv:math/9502211 v1 · 1995-02-09 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULTWP62RSWC76YFKADBOYSJES6}

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	2026-05-18T01:05:50.519006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e767fb519585ff60aa00c2ec4924979eeb4d9731e92ada761718f284823444

Aliases

arxiv: math/9502211 · arxiv_version: math/9502211v1 · doi: 10.48550/arxiv.math/9502211 · pith_short_12: ULTWP62RSWC7 · pith_short_16: ULTWP62RSWC76YFK · pith_short_8: ULTWP62R

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/ULTWP62RSWC76YFKADBOYSJES6 \
  | 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: a2e767fb519585ff60aa00c2ec4924979eeb4d9731e92ada761718f284823444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e55dbaaae25337590b51f8bd76748eccf1c66144cfbbf2f5e50bb75de635d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1995-02-09T00:00:00Z",
    "title_canon_sha256": "ebd43d20f245379b5c577205cc3df9d80100615c6d82465caf13dd8c942cd388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9502211",
    "kind": "arxiv",
    "version": 1
  }
}