Pith Number

pith:PJOKNV75

pith:2014:PJOKNV75JS2TGV7LLAKE7UNR7Y

not attested not anchored not stored refs pending

The first photometric analysis of the near contact binary IR Cas

D.-F. Guo, D.-Y. Gao, K. Li, S.-M. Hu, X. Chen, Y.-G. Jiang

arxiv:1409.2181 v2 · 2014-09-08 · 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{PJOKNV75JS2TGV7LLAKE7UNR7Y}

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	2026-05-18T01:42:07.032728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5ca6d7fd4cb53357eb58144fd1b1fe39a72bfb1ed7a1fd932b9a8fb4b66055

Aliases

arxiv: 1409.2181 · arxiv_version: 1409.2181v2 · doi: 10.48550/arxiv.1409.2181 · pith_short_12: PJOKNV75JS2T · pith_short_16: PJOKNV75JS2TGV7L · pith_short_8: PJOKNV75

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/PJOKNV75JS2TGV7LLAKE7UNR7Y \
  | 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: 7a5ca6d7fd4cb53357eb58144fd1b1fe39a72bfb1ed7a1fd932b9a8fb4b66055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9e3835b433391d0bff3a1cac459f06f74529e22dbd41214aae81cabc6d48f93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-08T01:16:29Z",
    "title_canon_sha256": "299127054548aec759ddf8afd1d57579d7e8fcaf3a5d9021040e763a9237303e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2181",
    "kind": "arxiv",
    "version": 2
  }
}