Pith Number

pith:5SZQDXQA

pith:2025:5SZQDXQARV7JFAOI4IIDWTE2IR

not attested not anchored not stored refs pending

Coinductive well-foundedness

Iosif Petrakis

arxiv:2506.16433 v2 · 2025-06-19 · 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{5SZQDXQARV7JFAOI4IIDWTE2IR}

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	2026-07-05T11:30:02.112786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecb301de008d7e9281c8e2103b4c9a44733d9a3bd417b3c26d463401af64fc65

Aliases

arxiv: 2506.16433 · arxiv_version: 2506.16433v2 · doi: 10.48550/arxiv.2506.16433 · pith_short_12: 5SZQDXQARV7J · pith_short_16: 5SZQDXQARV7JFAOI · pith_short_8: 5SZQDXQA

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/5SZQDXQARV7JFAOI4IIDWTE2IR \
  | 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: ecb301de008d7e9281c8e2103b4c9a44733d9a3bd417b3c26d463401af64fc65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22fc3c1ac23d4f72fd72e665daa09536f248991dfbd9da1aa5c47ce928446073",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2025-06-19T16:12:08Z",
    "title_canon_sha256": "96c1ac513fcc22c5d0199d2c26efaf4d19727e89703cd5c4bdb1d6708bf6bd83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16433",
    "kind": "arxiv",
    "version": 2
  }
}