Pith Number

pith:2QGQG7C7

pith:2013:2QGQG7C76C5HE6HNCON74FWBHN

not attested not anchored not stored refs pending

Kepler-91b: a planet at the end of its life. Planet and giant host star properties via light-curve variations

A. Bayo, A. Moya, B. Montesinos, C. R\'egulo, D. Barrado, H. Bouy, J. Lillo-Box, J. Montalb\'an, L. Mancini, M. Barbieri, T. Henning

arxiv:1312.3943 v1 · 2013-12-14 · 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{2QGQG7C76C5HE6HNCON74FWBHN}

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	2026-05-18T01:45:50.616256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40d037c5ff0ba7278ed139bfe16c13b5879e982692f62f4a00db7bb66b89a4f

Aliases

arxiv: 1312.3943 · arxiv_version: 1312.3943v1 · doi: 10.48550/arxiv.1312.3943 · pith_short_12: 2QGQG7C76C5H · pith_short_16: 2QGQG7C76C5HE6HN · pith_short_8: 2QGQG7C7

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/2QGQG7C76C5HE6HNCON74FWBHN \
  | 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: d40d037c5ff0ba7278ed139bfe16c13b5879e982692f62f4a00db7bb66b89a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b727925eb821551a601e0a93cb7b5383fe365a26452ddbc4fb993e25aaf1ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-12-14T15:02:53Z",
    "title_canon_sha256": "8b47518d8640abd5542d4f62c494fb97c3abf57713cbe401fb981ead1eca1e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3943",
    "kind": "arxiv",
    "version": 1
  }
}