Pith Number

pith:FI3XJOHZ

pith:2012:FI3XJOHZ7EO4XUJECMLY5TYTVG

not attested not anchored not stored refs pending

Rotational and Cyclical Variability in gamma Cassiopeiae. II. Fifteen Seasons

Gregory W. Henry, Myron A. Smith

arxiv:1209.4394 v1 · 2012-09-20 · 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{FI3XJOHZ7EO4XUJECMLY5TYTVG}

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	2026-05-18T01:54:20.835776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a3774b8f9f91dcbd12413178ecf13a98419e2a14cd0b890f17dcd0f4aa29fa2

Aliases

arxiv: 1209.4394 · arxiv_version: 1209.4394v1 · doi: 10.48550/arxiv.1209.4394 · pith_short_12: FI3XJOHZ7EO4 · pith_short_16: FI3XJOHZ7EO4XUJE · pith_short_8: FI3XJOHZ

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/FI3XJOHZ7EO4XUJECMLY5TYTVG \
  | 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: 2a3774b8f9f91dcbd12413178ecf13a98419e2a14cd0b890f17dcd0f4aa29fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94101963161a1a7aa4a46cd2a21b5c5b9d44c6d019bb33a3e54e728f2fcb5a56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-20T00:03:49Z",
    "title_canon_sha256": "f46b97fd0f90129422f016337b745d6ab9a0d8a857a70f541b6a7104b62866a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4394",
    "kind": "arxiv",
    "version": 1
  }
}