Pith Number

pith:RSYTQJAL

pith:1995:RSYTQJALLJ52OHKQKQMSCIJOWZ

not attested not anchored not stored refs pending

On universal graphs without cliques or withour large bipartite graphs

Menachem Kojman

arxiv:math/9507211 v1 · 1995-07-18 · 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{RSYTQJALLJ52OHKQKQMSCIJOWZ}

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	2026-05-18T01:05:48.509825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb138240b5a7ba71d50541921212eb656e2cc4cd2fe545b0774c053a3a3f1fa

Aliases

arxiv: math/9507211 · arxiv_version: math/9507211v1 · doi: 10.48550/arxiv.math/9507211 · pith_short_12: RSYTQJALLJ52 · pith_short_16: RSYTQJALLJ52OHKQ · pith_short_8: RSYTQJAL

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/RSYTQJALLJ52OHKQKQMSCIJOWZ \
  | 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: 8cb138240b5a7ba71d50541921212eb656e2cc4cd2fe545b0774c053a3a3f1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd33443e18b23a661452f6aac1ab5f75e57263635449c926ff3370bbdb83c590",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1995-07-18T00:00:00Z",
    "title_canon_sha256": "13a9564fd42318f1dde56f8a117642654f041948532bf7c4d8a14fdb1a45f135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9507211",
    "kind": "arxiv",
    "version": 1
  }
}