Pith Number

pith:GA7CZ32P

pith:2017:GA7CZ32PYS6SMC54DTMT2NN7FM

not attested not anchored not stored refs pending

MVW-rigs

Alejandro Estrada, Yuri A. Poveda

arxiv:1705.04731 v2 · 2017-05-06 · math.RA · 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{GA7CZ32PYS6SMC54DTMT2NN7FM}

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	2026-05-18T00:34:37.184679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

303e2cef4fc4bd260bbc1cd93d35bf2b0aebad2b87c6bf563468b231c8f3ea7d

Aliases

arxiv: 1705.04731 · arxiv_version: 1705.04731v2 · doi: 10.48550/arxiv.1705.04731 · pith_short_12: GA7CZ32PYS6S · pith_short_16: GA7CZ32PYS6SMC54 · pith_short_8: GA7CZ32P

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/GA7CZ32PYS6SMC54DTMT2NN7FM \
  | 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: 303e2cef4fc4bd260bbc1cd93d35bf2b0aebad2b87c6bf563468b231c8f3ea7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed59428dcf69a87536a46d946d58fbe3e6dab85b9405d4aaaeb9fdce2cc1c0d",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-05-06T18:36:11Z",
    "title_canon_sha256": "6dcf0f3a61fa3a4ec0cef7b2380431337d254805fa0c254e63719402a5b6e1ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04731",
    "kind": "arxiv",
    "version": 2
  }
}