Pith Number

pith:73GOR7QP

pith:2010:73GOR7QPDRWZASXXU6ZFNERQYW

not attested not anchored not stored refs pending

The physical properties of extrasolar planets

G. Chabrier (ENS-Lyon), I. Baraffe (ENS-Lyon/Univ. Exeter), T. Barman (Lowell Obs.)

arxiv:1001.3577 v1 · 2010-01-20 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73GOR7QPDRWZASXXU6ZFNERQYW}

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	2026-05-18T02:09:31.995690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fecce8fe0f1c6d904af7a7b2569230c58bb464e9ab6ae82a3da29d224529fb2f

Aliases

arxiv: 1001.3577 · arxiv_version: 1001.3577v1 · doi: 10.48550/arxiv.1001.3577 · pith_short_12: 73GOR7QPDRWZ · pith_short_16: 73GOR7QPDRWZASXX · pith_short_8: 73GOR7QP

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/73GOR7QPDRWZASXXU6ZFNERQYW \
  | 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: fecce8fe0f1c6d904af7a7b2569230c58bb464e9ab6ae82a3da29d224529fb2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5895cae402a3acd5e82045312cd736b112bf581afbd88fe26acd54bde167c8d8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-01-20T13:17:50Z",
    "title_canon_sha256": "218da44e76f86e83045dfb7113cee89c82e9d85749ab8e89f38a73f5402798ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3577",
    "kind": "arxiv",
    "version": 1
  }
}