Pith Number

pith:74LNXTM5

pith:2017:74LNXTM56TLPEGM2J3UZOJZQVO

not attested not anchored not stored refs pending

Are Ramsey Algebras Essentially Semigroups

Andrew Rajah, Wen Chean Teh, ZuYao Teoh

arxiv:1703.09412 v1 · 2017-03-28 · 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{74LNXTM56TLPEGM2J3UZOJZQVO}

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	2026-05-18T00:47:44.648550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff16dbcd9df4d6f2199a4ee9972730ab81d18e9fae83c98643b650ee9b92d945

Aliases

arxiv: 1703.09412 · arxiv_version: 1703.09412v1 · doi: 10.48550/arxiv.1703.09412 · pith_short_12: 74LNXTM56TLP · pith_short_16: 74LNXTM56TLPEGM2 · pith_short_8: 74LNXTM5

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/74LNXTM56TLPEGM2J3UZOJZQVO \
  | 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: ff16dbcd9df4d6f2199a4ee9972730ab81d18e9fae83c98643b650ee9b92d945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25fe64bb4334f2573b99932a1158a09a43e095fbd22818a4c1e959f2f39dc94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-03-28T06:20:37Z",
    "title_canon_sha256": "fa014c342e25db263e9f061d759dd7b237c717abf9a65b541c16a39e1349f226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09412",
    "kind": "arxiv",
    "version": 1
  }
}