Pith Number

pith:7DU2MKJN

pith:2013:7DU2MKJN5ZZ4TVQSI3P6V2V2BF

not attested not anchored not stored refs pending

KIC 9406652: An Unusual Cataclysmic Variable in the Kepler Field of View

Abe J. Hoekstra, Daryll LaCourse, Douglas R. Gies, Kian J. Jek, Martin D. Still, Steve B. Howell, Tabetha S. Boyajian, Troy Winarski, Zhao Guo

arxiv:1308.0369 v1 · 2013-08-01 · 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{7DU2MKJN5ZZ4TVQSI3P6V2V2BF}

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	2026-05-18T01:48:25.172272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e9a6292dee73c9d61246dfeaeaba096060b1cacd6b1a9ed15836f34bd10260

Aliases

arxiv: 1308.0369 · arxiv_version: 1308.0369v1 · doi: 10.48550/arxiv.1308.0369 · pith_short_12: 7DU2MKJN5ZZ4 · pith_short_16: 7DU2MKJN5ZZ4TVQS · pith_short_8: 7DU2MKJN

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/7DU2MKJN5ZZ4TVQSI3P6V2V2BF \
  | 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: f8e9a6292dee73c9d61246dfeaeaba096060b1cacd6b1a9ed15836f34bd10260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf9016ac24ee74874a5c47bb875cc1d648dc825814cbb26480171bb207b026a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-01T22:16:39Z",
    "title_canon_sha256": "6e7f4dd73292668aa85333e8460515ff146b83e5a80b89dd07d4762532fa0056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0369",
    "kind": "arxiv",
    "version": 1
  }
}