Pith Number

pith:OSH6X2XI

pith:2019:OSH6X2XIQX3XBJVDURRYDM3SHB

not attested not anchored not stored refs pending

Ramsey, Paper, Scissors

Jacob Fox, Xiaoyu He, Yuval Wigderson

arxiv:1906.01092 v2 · 2019-06-03 · 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{OSH6X2XIQX3XBJVDURRYDM3SHB}

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	2026-07-05T01:12:01.729442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748febeae885f770a6a3a46381b3723843b2dacaad9c1dd35f926a86a2cce8e1

Aliases

arxiv: 1906.01092 · arxiv_version: 1906.01092v2 · doi: 10.48550/arxiv.1906.01092 · pith_short_12: OSH6X2XIQX3X · pith_short_16: OSH6X2XIQX3XBJVD · pith_short_8: OSH6X2XI

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/OSH6X2XIQX3XBJVDURRYDM3SHB \
  | 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: 748febeae885f770a6a3a46381b3723843b2dacaad9c1dd35f926a86a2cce8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4971ff127cbe2dcbd33a19fc97fcc30cea5ced57b8d796d26493888936e433ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-03T21:45:52Z",
    "title_canon_sha256": "107ccb4b4327e38d0754b0b9cd427c9148fa20bb73947b4734b152b8e2b30f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01092",
    "kind": "arxiv",
    "version": 2
  }
}