Pith Number

pith:FBNCFO24

pith:2010:FBNCFO24HKMNBEFBX3HRXI4YAX

not attested not anchored not stored refs pending

Examples in dependent theories

Itay Kaplan, Saharon Shelah

arxiv:1009.5420 v3 · 2010-09-28 · 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{FBNCFO24HKMNBEFBX3HRXI4YAX}

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	2026-05-18T03:14:50.494173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285a22bb5c3a98d090a1becf1ba39805d1f1c49184254246830778dc78ae255c

Aliases

arxiv: 1009.5420 · arxiv_version: 1009.5420v3 · doi: 10.48550/arxiv.1009.5420 · pith_short_12: FBNCFO24HKMN · pith_short_16: FBNCFO24HKMNBEFB · pith_short_8: FBNCFO24

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/FBNCFO24HKMNBEFBX3HRXI4YAX \
  | 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: 285a22bb5c3a98d090a1becf1ba39805d1f1c49184254246830778dc78ae255c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d319592f2ca923d1e7f2adc2794648d450a59aa9793edcdff9fe591a02456e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-09-28T01:08:09Z",
    "title_canon_sha256": "8ae19080079bc41d46f9d73ef314e4591c2b640419ca625cf6747e0ad93b65cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5420",
    "kind": "arxiv",
    "version": 3
  }
}