Pith Number

pith:KN3Y67NL

pith:2012:KN3Y67NLYM4D4Z2BOOFSFKMHBC

not attested not anchored not stored refs pending

Unprepared Indestructibility

Andrew Brooke-Taylor

arxiv:1202.5836 v1 · 2012-02-27 · 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{KN3Y67NLYM4D4Z2BOOFSFKMHBC}

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	2026-05-18T02:41:59.854513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53778f7dabc3383e6741738b22a987089f540dc8a9bd2ede9ffa4769b866585b

Aliases

arxiv: 1202.5836 · arxiv_version: 1202.5836v1 · doi: 10.48550/arxiv.1202.5836 · pith_short_12: KN3Y67NLYM4D · pith_short_16: KN3Y67NLYM4D4Z2B · pith_short_8: KN3Y67NL

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/KN3Y67NLYM4D4Z2BOOFSFKMHBC \
  | 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: 53778f7dabc3383e6741738b22a987089f540dc8a9bd2ede9ffa4769b866585b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5406c579d5ca3edb35dde5114d437478e564e8211dc03b39261155291d1bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-02-27T07:22:40Z",
    "title_canon_sha256": "59864dfd25a6cd41135581f02bd5ddbf9b7d587d376de0a55b4304deaea20182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5836",
    "kind": "arxiv",
    "version": 1
  }
}