Pith Number

pith:4NOSTRXB

pith:2011:4NOSTRXBXF4CO7M65JUMW22B3L

not attested not anchored not stored refs pending

The Cratering History of Asteroid (21) Lutetia

(2) University of Padova, (3) MPS, (4) DLR, (5) ESAC, (6) LAM, (7) University of Bern), A. Morbidelli (1), C. Barbieri (2), F. Marzari (2), G. Naletto (2), H. Sierks (3) ((1) OCA, J.-B. Vincent (3), M. Kueppers (5), M. Massironi (2), N. Thomas (7), S. Besse (6), S. Marchi (1), S. Mottola (4)

arxiv:1111.3628 v1 · 2011-11-15 · 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{4NOSTRXBXF4CO7M65JUMW22B3L}

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	2026-05-18T01:59:32.814542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35d29c6e1b978277d9eea68cb6b41dac8d10774468164e2525dc44d0fd0b049

Aliases

arxiv: 1111.3628 · arxiv_version: 1111.3628v1 · doi: 10.48550/arxiv.1111.3628 · pith_short_12: 4NOSTRXBXF4C · pith_short_16: 4NOSTRXBXF4CO7M6 · pith_short_8: 4NOSTRXB

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/4NOSTRXBXF4CO7M65JUMW22B3L \
  | 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: e35d29c6e1b978277d9eea68cb6b41dac8d10774468164e2525dc44d0fd0b049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a90bad3206e6d919431974b57b63f339878402248255be32e011e434d17142",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-11-15T20:35:23Z",
    "title_canon_sha256": "54ed2af9e2f21616ac031437d0b25d782ec67fe85c4b6eb6a4b4bf150f6b044b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3628",
    "kind": "arxiv",
    "version": 1
  }
}