Pith Number

pith:O7TCZHBI

pith:2016:O7TCZHBITJ3X4M2MBU2LO77NAK

not attested not anchored not stored refs pending

Homogenizable structures and model completeness

Ove Ahlman

arxiv:1601.07304 v2 · 2016-01-27 · 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{O7TCZHBITJ3X4M2MBU2LO77NAK}

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	2026-05-18T00:24:04.689644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e62c9c289a777e334c0d34b77fed02ad5738539342673febc1b6fa9a7ab9b8

Aliases

arxiv: 1601.07304 · arxiv_version: 1601.07304v2 · doi: 10.48550/arxiv.1601.07304 · pith_short_12: O7TCZHBITJ3X · pith_short_16: O7TCZHBITJ3X4M2M · pith_short_8: O7TCZHBI

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/O7TCZHBITJ3X4M2MBU2LO77NAK \
  | 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: 77e62c9c289a777e334c0d34b77fed02ad5738539342673febc1b6fa9a7ab9b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e43a4f8a4721af106012ab05eae5c25e62525d063ac66010b0892d10b0b280c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-01-27T09:45:24Z",
    "title_canon_sha256": "fc15adc57893670ca7707e7beceaf8ac8fe077f9b36a6123faa2680d86c4193c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07304",
    "kind": "arxiv",
    "version": 2
  }
}