Pith Number

pith:AH5JI2VY

pith:2013:AH5JI2VYSQM7F7NDMMIAC7CATX

not attested not anchored not stored refs pending

Constraining the initial entropy of directly-detected exoplanets

2), (2) McGill University, Andrew Cumming (2) ((1) Max-Planck-Institut f\"ur Astronomie, Gabriel-Dominique Marleau (1, Heidelberg, Montr\'eal)

arxiv:1302.1517 v4 · 2013-02-06 · 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{AH5JI2VYSQM7F7NDMMIAC7CATX}

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.

Cited by

1 paper in Pith

Planetary formation tracks on the Hertzsprung-Russell diagram: Visualising the processes of giant planet growth

Receipt and verification

First computed	2026-05-18T03:02:21.169190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01fa946ab89419f2fda36310017c409dc4df269a43b7e1fe3416d2f08b92e298

Aliases

arxiv: 1302.1517 · arxiv_version: 1302.1517v4 · doi: 10.48550/arxiv.1302.1517 · pith_short_12: AH5JI2VYSQM7 · pith_short_16: AH5JI2VYSQM7F7ND · pith_short_8: AH5JI2VY

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/AH5JI2VYSQM7F7NDMMIAC7CATX \
  | 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: 01fa946ab89419f2fda36310017c409dc4df269a43b7e1fe3416d2f08b92e298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf9b59c98747dbcab56c80cdedf0f6c0bf9e74c9d60ce2a6b77a891200bc365e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-06T20:59:57Z",
    "title_canon_sha256": "61e0675da255b721c4c07035836f4b8c822d79a6f6f97a6362abf8122b0ee5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1517",
    "kind": "arxiv",
    "version": 4
  }
}