Pith Number

pith:I254HKRP

pith:2018:I254HKRPXEB44W7OSOOPSWV7TH

not attested not anchored not stored refs pending

Incompatible category forcing axioms

David Aspero, Matteo Viale

arxiv:1805.08732 v1 · 2018-05-22 · 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{I254HKRPXEB44W7OSOOPSWV7TH}

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	2026-05-18T00:15:25.236413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46bbc3aa2fb903ce5bee939cf95abf99ea312f3243e4e5a1210987310cedfb6e

Aliases

arxiv: 1805.08732 · arxiv_version: 1805.08732v1 · doi: 10.48550/arxiv.1805.08732 · pith_short_12: I254HKRPXEB4 · pith_short_16: I254HKRPXEB44W7O · pith_short_8: I254HKRP

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/I254HKRPXEB44W7OSOOPSWV7TH \
  | 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: 46bbc3aa2fb903ce5bee939cf95abf99ea312f3243e4e5a1210987310cedfb6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ed2ce76731327314465f00a7fb9fb0bb87afbc0906ab5a9f39d1f0e643879a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-05-22T16:42:13Z",
    "title_canon_sha256": "4a00a9bef3a1d3ce51c0f404e75ce7ca562c8a3e245390bb27a61c8ebeb00471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08732",
    "kind": "arxiv",
    "version": 1
  }
}