Pith Number

pith:ITDZGM7J

pith:2014:ITDZGM7JBTEBLCYK3K6J67KRX6

not attested not anchored not stored refs pending

Rainbow Ramsey simple structures

Claude Laflamme, Natasha Dobrinen, Norbert Sauer

arxiv:1411.6678 v1 · 2014-11-24 · math.CO · 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{ITDZGM7JBTEBLCYK3K6J67KRX6}

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	2026-05-18T02:32:52.671898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c79333e90cc8158b0adabc9f7d51bf8c050bf104c7b05e7acc44dc214c8bf2

Aliases

arxiv: 1411.6678 · arxiv_version: 1411.6678v1 · doi: 10.48550/arxiv.1411.6678 · pith_short_12: ITDZGM7JBTEB · pith_short_16: ITDZGM7JBTEBLCYK · pith_short_8: ITDZGM7J

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/ITDZGM7JBTEBLCYK3K6J67KRX6 \
  | 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: 44c79333e90cc8158b0adabc9f7d51bf8c050bf104c7b05e7acc44dc214c8bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0706bd76fd4656206da4c1599b0d3a05f97f8a76271757d697f1c6c70f656ca4",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-24T22:55:21Z",
    "title_canon_sha256": "412f8885fe29f339b58904a954fc5760b9b9068d2ff64389091fe2b0f8e62be8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6678",
    "kind": "arxiv",
    "version": 1
  }
}