Pith Number

pith:7CBT5AVK

pith:2015:7CBT5AVKHUPVNXGY5QRVJM5ZQJ

not attested not anchored not stored refs pending

Local Ramsey theory. An abstract approach

Carlos Di Prisco, Jesus Nieto, Jose G. Mijares

arxiv:1506.03488 v2 · 2015-06-10 · 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{7CBT5AVKHUPVNXGY5QRVJM5ZQJ}

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	2026-05-18T01:37:18.586566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8833e82aa3d1f56dcd8ec2354b3b9826fb0ae168a2e971fa0c84d30bc320b20

Aliases

arxiv: 1506.03488 · arxiv_version: 1506.03488v2 · doi: 10.48550/arxiv.1506.03488 · pith_short_12: 7CBT5AVKHUPV · pith_short_16: 7CBT5AVKHUPVNXGY · pith_short_8: 7CBT5AVK

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/7CBT5AVKHUPVNXGY5QRVJM5ZQJ \
  | 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: f8833e82aa3d1f56dcd8ec2354b3b9826fb0ae168a2e971fa0c84d30bc320b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34bb9f7683b1e2cb319b9d78472bb7bccf0951f7890579abbff393e134f213da",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-06-10T21:39:39Z",
    "title_canon_sha256": "75ea930fe71ff02112ad7f2c874b31ba088e24518a52c6f703bcd726431e724e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03488",
    "kind": "arxiv",
    "version": 2
  }
}