Pith Number

pith:FGZKV44Q

pith:2023:FGZKV44QNBKMK4MUIGOXNBZOVT

not attested not anchored not stored refs pending

On countable isotypic structures

Pavel Gvozdevsky

arxiv:2308.10812 v4 · 2023-08-21 · 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{FGZKV44QNBKMK4MUIGOXNBZOVT}

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	2026-07-05T11:23:06.067185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b2aaf3906854c57194419d76872eacc136fe31fc033ef5e098febbb567c81a

Aliases

arxiv: 2308.10812 · arxiv_version: 2308.10812v4 · doi: 10.48550/arxiv.2308.10812 · pith_short_12: FGZKV44QNBKM · pith_short_16: FGZKV44QNBKMK4MU · pith_short_8: FGZKV44Q

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/FGZKV44QNBKMK4MUIGOXNBZOVT \
  | 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: 29b2aaf3906854c57194419d76872eacc136fe31fc033ef5e098febbb567c81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7cf5b3c115f885aad540f17bec6eee617f67c9cc783a9d026fc6834842c84d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2023-08-21T16:01:34Z",
    "title_canon_sha256": "bd38879a4955fb58cf5e0c8e8b7525edf9bbada876a161410c2ad24b62b26e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.10812",
    "kind": "arxiv",
    "version": 4
  }
}