Pith Number

pith:W6KWMH3Z

pith:2013:W6KWMH3Z2SPHR3NZZM7HR6VJLM

not attested not anchored not stored refs pending

Kepler Eclipsing Binary Stars. IV. Precise Eclipse Times for Close Binaries and Identification of Candidate Three-Body Systems

Andrej Prsa, Daniel C. Fabrycky, Jerome A. Orosz, Keivan G. Stassun, Kyle E. Conroy, William F. Welsh

arxiv:1306.0512 v2 · 2013-06-03 · 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{W6KWMH3Z2SPHR3NZZM7HR6VJLM}

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	2026-05-18T01:49:33.573422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b795661f79d49e78edb9cb3e78faa95b36f42731c94c7e9cd9606752f2ccf848

Aliases

arxiv: 1306.0512 · arxiv_version: 1306.0512v2 · doi: 10.48550/arxiv.1306.0512 · pith_short_12: W6KWMH3Z2SPH · pith_short_16: W6KWMH3Z2SPHR3NZ · pith_short_8: W6KWMH3Z

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/W6KWMH3Z2SPHR3NZZM7HR6VJLM \
  | 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: b795661f79d49e78edb9cb3e78faa95b36f42731c94c7e9cd9606752f2ccf848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922199d4497b44bdad3bad25e91e9cb3dee031bb82d8acf70a9346c96fd76a5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-03T17:27:25Z",
    "title_canon_sha256": "2394ed29f1de91d5cae0389f5f2970966db931ecf38013ac2e4e68795ea9d2b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0512",
    "kind": "arxiv",
    "version": 2
  }
}