Pith Number

pith:75I2FWBJ

pith:2014:75I2FWBJQKMRGDKAIBPSZNETJB

not attested not anchored not stored refs pending

Coloring Grids

Ramiro de la Vega

arxiv:1409.5312 v1 · 2014-09-18 · 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{75I2FWBJQKMRGDKAIBPSZNETJB}

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	2026-05-18T02:42:29.913645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff51a2d8298299130d40405f2cb493487ec44c465edb9116c649777e43be229f

Aliases

arxiv: 1409.5312 · arxiv_version: 1409.5312v1 · doi: 10.48550/arxiv.1409.5312 · pith_short_12: 75I2FWBJQKMR · pith_short_16: 75I2FWBJQKMRGDKA · pith_short_8: 75I2FWBJ

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/75I2FWBJQKMRGDKAIBPSZNETJB \
  | 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: ff51a2d8298299130d40405f2cb493487ec44c465edb9116c649777e43be229f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36ba9a3a27240f2ebec5cac34456db4aff166662f110f307f72ac719fb01eaf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-09-18T14:25:59Z",
    "title_canon_sha256": "cdc8e4369de4ccfc44f654348c67ba416608f97b11fafad0d9f056b2a06baf6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5312",
    "kind": "arxiv",
    "version": 1
  }
}