Pith Number

pith:KJJNLB7Y

pith:2012:KJJNLB7YX7LD5FEBMOEEHEDJ6J

not attested not anchored not stored refs pending

Lemaitres Limit

Ian Steer

arxiv:1212.6566 v2 · 2012-12-28 · physics.hist-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJJNLB7YX7LD5FEBMOEEHEDJ6J}

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	2026-05-18T03:30:53.384782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5252d587f8bfd63e94816388439069f259922908bce7415f7e54157e8c8ccdd3

Aliases

arxiv: 1212.6566 · arxiv_version: 1212.6566v2 · doi: 10.48550/arxiv.1212.6566 · pith_short_12: KJJNLB7YX7LD · pith_short_16: KJJNLB7YX7LD5FEB · pith_short_8: KJJNLB7Y

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/KJJNLB7YX7LD5FEBMOEEHEDJ6J \
  | 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: 5252d587f8bfd63e94816388439069f259922908bce7415f7e54157e8c8ccdd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed418cf184c8c41d6bc6879bf393c46d8e037894e5d5fe1cfeca628f3b9185b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-12-28T21:13:15Z",
    "title_canon_sha256": "fd9de89caffdb42f48af53abd0247060efba097c4ad73d76a6b8db0da4830245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6566",
    "kind": "arxiv",
    "version": 2
  }
}