Pith Number

pith:F2XOAAOK

pith:2012:F2XOAAOKA3LD5EDGAFRJ27XDLB

not attested not anchored not stored refs pending

Starspots and spin-orbit alignment for Kepler cool host stars

Daniel C. Fabrycky, Josh N. Winn, Roberto Sanchis-Ojeda

arxiv:1211.2002 v1 · 2012-11-08 · 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{F2XOAAOKA3LD5EDGAFRJ27XDLB}

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	2026-05-18T01:53:17.727778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eaee001ca06d63e906601629d7ee3587ea895ad1b99d504cd2641166fda0580

Aliases

arxiv: 1211.2002 · arxiv_version: 1211.2002v1 · doi: 10.48550/arxiv.1211.2002 · pith_short_12: F2XOAAOKA3LD · pith_short_16: F2XOAAOKA3LD5EDG · pith_short_8: F2XOAAOK

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/F2XOAAOKA3LD5EDGAFRJ27XDLB \
  | 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: 2eaee001ca06d63e906601629d7ee3587ea895ad1b99d504cd2641166fda0580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0c953507c902ab5bfa46377bd0961a07256c39b7d16db9ddbae7e2ab1b595b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-11-08T22:02:17Z",
    "title_canon_sha256": "30905418b002bbb15881ab46b1764d3b1e614841a4045f07e26f84df23ac91b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2002",
    "kind": "arxiv",
    "version": 1
  }
}