Pith Number

pith:KTP76W2S

pith:2010:KTP76W2S7HB6XCF4PQP5M462RA

not attested not anchored not stored refs pending

A new view on planet formation

Sergei Nayakshin (Leicester)

arxiv:1012.1780 v1 · 2010-12-08 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTP76W2S7HB6XCF4PQP5M462RA}

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	2026-05-18T02:23:07.674033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54dfff5b52f9c3eb88bc7c1fd673da881f082bee49257bb90cacdfe070bbf04e

Aliases

arxiv: 1012.1780 · arxiv_version: 1012.1780v1 · doi: 10.48550/arxiv.1012.1780 · pith_short_12: KTP76W2S7HB6 · pith_short_16: KTP76W2S7HB6XCF4 · pith_short_8: KTP76W2S

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/KTP76W2S7HB6XCF4PQP5M462RA \
  | 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: 54dfff5b52f9c3eb88bc7c1fd673da881f082bee49257bb90cacdfe070bbf04e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36bd7be29951cec3de42c2b80721cc69a932d4c65ee0214239f2ee328cd5e6b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-12-08T15:07:07Z",
    "title_canon_sha256": "e859fa3cb3dea2e74b9f083da327de971596823bef847192d372dd54f6859c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1780",
    "kind": "arxiv",
    "version": 1
  }
}