Pith Number

pith:PKPB62NK

pith:2009:PKPB62NKPHDZZYYK73UK57KAHJ

not attested not anchored not stored refs pending

Metallicity of the Massive Protoplanets Around HR 8799 If Formed by Gravitational Instability

P. Bodenheimer, R. Helled

arxiv:0911.5003 v1 · 2009-11-26 · 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{PKPB62NKPHDZZYYK73UK57KAHJ}

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	2026-05-18T02:10:36.589928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a9e1f69aa79c79ce30afee8aefd403a4be19c41dda6bb81afa486cbeec14db0

Aliases

arxiv: 0911.5003 · arxiv_version: 0911.5003v1 · doi: 10.48550/arxiv.0911.5003 · pith_short_12: PKPB62NKPHDZ · pith_short_16: PKPB62NKPHDZZYYK · pith_short_8: PKPB62NK

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/PKPB62NKPHDZZYYK73UK57KAHJ \
  | 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: 7a9e1f69aa79c79ce30afee8aefd403a4be19c41dda6bb81afa486cbeec14db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbeb0d69713ddadc4eaecf5bc973ff6463b3720a15bfe0f2e75a45922f57a62f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-11-26T03:52:25Z",
    "title_canon_sha256": "a0d46fef6def4cd6d3f8b679321a4ab22c74eea29803891ee3ce374f48cda802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5003",
    "kind": "arxiv",
    "version": 1
  }
}