Pith Number

pith:UC4E6D57

pith:2015:UC4E6D573YLJR3US7VXIOTLUL2

not attested not anchored not stored refs pending

Simple structures axiomatized by almost sure theories

Ove Ahlman

arxiv:1508.06039 v2 · 2015-08-25 · 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{UC4E6D573YLJR3US7VXIOTLUL2}

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	2026-05-18T00:46:49.724734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b84f0fbfde1698ee92fd6e874d745eb344692b9b92e6185de239426013c099

Aliases

arxiv: 1508.06039 · arxiv_version: 1508.06039v2 · doi: 10.48550/arxiv.1508.06039 · pith_short_12: UC4E6D573YLJ · pith_short_16: UC4E6D573YLJR3US · pith_short_8: UC4E6D57

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/UC4E6D573YLJR3US7VXIOTLUL2 \
  | 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: a0b84f0fbfde1698ee92fd6e874d745eb344692b9b92e6185de239426013c099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36a4c406d755740c0f11d639d7a17d97743b4c99b87473a01f07df6a6070e99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-08-25T06:22:08Z",
    "title_canon_sha256": "bb0df2213aea3a8a07192feb7c805ab80f0e537e8d9769c8b0378e796d253b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06039",
    "kind": "arxiv",
    "version": 2
  }
}