Pith Number

pith:NOC7HEOB

pith:2017:NOC7HEOBLMVVZ5OPF75VOQMDTY

not attested not anchored not stored refs pending

Small sets in dense pairs

Pantelis E. Eleftheriou

arxiv:1704.05802 v4 · 2017-04-19 · 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{NOC7HEOBLMVVZ5OPF75VOQMDTY}

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	2026-05-17T23:57:54.352572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b85f391c15b2b5cf5cf2ffb5741839e00d5fd33c13eeb1196cbc2f9806de910

Aliases

arxiv: 1704.05802 · arxiv_version: 1704.05802v4 · doi: 10.48550/arxiv.1704.05802 · pith_short_12: NOC7HEOBLMVV · pith_short_16: NOC7HEOBLMVVZ5OP · pith_short_8: NOC7HEOB

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/NOC7HEOBLMVVZ5OPF75VOQMDTY \
  | 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: 6b85f391c15b2b5cf5cf2ffb5741839e00d5fd33c13eeb1196cbc2f9806de910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a279bea966bf001de35e8afdf3ac916451bde5f655d6d1ec62ac11615ef3233",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-04-19T16:31:34Z",
    "title_canon_sha256": "ec6096b1328db70d3b733c579589136d3c6ebb540551acd8b54f8e6c15d048af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05802",
    "kind": "arxiv",
    "version": 4
  }
}