Pith Number

pith:ENPPAR6Q

pith:2014:ENPPAR6QDX32PCDJB7MZ3EVXBQ

not attested not anchored not stored refs pending

Algebra, selections, and additive Ramsey theory

Boaz Tsaban

arxiv:1407.7437 v5 · 2014-07-28 · math.GN · 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{ENPPAR6QDX32PCDJB7MZ3EVXBQ}

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	2026-05-18T00:31:05.789089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235ef047d01df7a788690fd99d92b70c15b3ee6f08196fb1406245132214cf25

Aliases

arxiv: 1407.7437 · arxiv_version: 1407.7437v5 · doi: 10.48550/arxiv.1407.7437 · pith_short_12: ENPPAR6QDX32 · pith_short_16: ENPPAR6QDX32PCDJ · pith_short_8: ENPPAR6Q

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/ENPPAR6QDX32PCDJB7MZ3EVXBQ \
  | 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: 235ef047d01df7a788690fd99d92b70c15b3ee6f08196fb1406245132214cf25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c6d0cf7ba3dc28c280d68041c2a3a5127965ea8ced7e7e2fccff3947174803",
    "cross_cats_sorted": [
      "math.CO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-07-28T15:02:25Z",
    "title_canon_sha256": "18aa381c3c41a93bf643879cadf916a2889f55f85305af394966d38a1df2c8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7437",
    "kind": "arxiv",
    "version": 5
  }
}