Pith Number

pith:MRBQRNQI

pith:2010:MRBQRNQIQFRA5PRDIALERHW4SH

not attested not anchored not stored refs pending

Gas Accretion onto a Protoplanet and Formation of a Gas Giant Planet

Eiichiro Kokubo, Masahiro N. Machida, Shu-ichiro Inutsuka, Tomoaki Matsumoto

arxiv:1002.3002 v1 · 2010-02-16 · astro-ph.SR · 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{MRBQRNQIQFRA5PRDIALERHW4SH}

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	2026-05-18T02:09:07.930628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

644308b60881620ebe234016489edc91eca9ee8875aaac522965a888182f98e7

Aliases

arxiv: 1002.3002 · arxiv_version: 1002.3002v1 · doi: 10.48550/arxiv.1002.3002 · pith_short_12: MRBQRNQIQFRA · pith_short_16: MRBQRNQIQFRA5PRD · pith_short_8: MRBQRNQI

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/MRBQRNQIQFRA5PRDIALERHW4SH \
  | 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: 644308b60881620ebe234016489edc91eca9ee8875aaac522965a888182f98e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d95d44a997062180a26d9f68bcab8323af8e72c54c8f522ead26ed718a134e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-16T05:12:25Z",
    "title_canon_sha256": "735fd1aa5a8d4d94986c58235d10a9fb96eb97191cb6950f79e1eed663a5eb4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3002",
    "kind": "arxiv",
    "version": 1
  }
}