Pith Number

pith:L2DPRKCY

pith:2021:L2DPRKCYEDOOM3PLEJ7XHUDBTE

not attested not anchored not stored refs pending

HD 76920b pinned down: a detailed analysis of the most eccentric planetary system around an evolved star

A. J. Mustill, A. Zapata, C. Bergmann, F. Gunn, J. Zhao, K. R. Pollard, L. Vanzi, M. I. Jones, P. Torres, R. A. Wittenmyer, R. Brahm, Songhu Wang

arxiv:2102.08902 v2 · 2021-02-17 · 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{L2DPRKCYEDOOM3PLEJ7XHUDBTE}

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	2026-07-05T02:35:38.036485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e86f8a85820dce66deb227f73d061991e9e1317539d7dba5bf150ec56289f32

Aliases

arxiv: 2102.08902 · arxiv_version: 2102.08902v2 · doi: 10.48550/arxiv.2102.08902 · pith_short_12: L2DPRKCYEDOO · pith_short_16: L2DPRKCYEDOOM3PL · pith_short_8: L2DPRKCY

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/L2DPRKCYEDOOM3PLEJ7XHUDBTE \
  | 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: 5e86f8a85820dce66deb227f73d061991e9e1317539d7dba5bf150ec56289f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006f57b073ca621a63938e2c00d652e2d8e7400b05776ad24dc71355a9ec3351",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-02-17T17:49:48Z",
    "title_canon_sha256": "d503560f424deeba9536fd62b7bfce668b083e4b4e5167767c30637921abf3d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08902",
    "kind": "arxiv",
    "version": 2
  }
}