Pith Number

pith:H6AM4M4E

pith:2015:H6AM4M4ESG6QV4OE53DES5IEUG

not attested not anchored not stored refs pending

Length of an intersection

Christian Delhomm\'e, Maurice Pouzet

arxiv:1510.00596 v1 · 2015-09-30 · math.LO · 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{H6AM4M4ESG6QV4OE53DES5IEUG}

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	2026-05-18T01:31:12.542202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f80ce338491bd0af1c4eec6497504a1b4cf259acfe7a50f1a51e6f6f12801d6

Aliases

arxiv: 1510.00596 · arxiv_version: 1510.00596v1 · doi: 10.48550/arxiv.1510.00596 · pith_short_12: H6AM4M4ESG6Q · pith_short_16: H6AM4M4ESG6QV4OE · pith_short_8: H6AM4M4E

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/H6AM4M4ESG6QV4OE53DES5IEUG \
  | 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: 3f80ce338491bd0af1c4eec6497504a1b4cf259acfe7a50f1a51e6f6f12801d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9a2d12bd938479f1dae43c88ba71be1c83b82377807fb600f0dd1832ada5f2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-09-30T20:45:09Z",
    "title_canon_sha256": "96ab1f0f6f94c96cc6b34a8d5183880513b8774342a8694861b8b313bf778699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00596",
    "kind": "arxiv",
    "version": 1
  }
}