Pith Number

pith:GPNAMLKP

pith:2017:GPNAMLKPQQC7FDZQV3LKJ57L3F

not attested not anchored not stored refs pending

Measures on Boolean algebras

Thomas Jech

arxiv:1705.01006 v1 · 2017-05-02 · 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{GPNAMLKPQQC7FDZQV3LKJ57L3F}

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	2026-05-18T00:45:09.117182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33da062d4f8405f28f30aed6a4f7ebd954e90ca312fea66f411d0f2dbb8c4a00

Aliases

arxiv: 1705.01006 · arxiv_version: 1705.01006v1 · doi: 10.48550/arxiv.1705.01006 · pith_short_12: GPNAMLKPQQC7 · pith_short_16: GPNAMLKPQQC7FDZQ · pith_short_8: GPNAMLKP

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/GPNAMLKPQQC7FDZQV3LKJ57L3F \
  | 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: 33da062d4f8405f28f30aed6a4f7ebd954e90ca312fea66f411d0f2dbb8c4a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4492734e4c2616c35dd951858c448e6404cf491a1907c2151e4ca53184f79284",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-05-02T14:54:02Z",
    "title_canon_sha256": "0edd04999cb4621bac60f64a517856e0c807ee3408d828f07fd4d2cf1810e943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01006",
    "kind": "arxiv",
    "version": 1
  }
}