Pith Number

pith:IVXNZ5N3

pith:2012:IVXNZ5N3I45B2VH57YLG3IN3CO

not attested not anchored not stored refs pending

Alessi 95 and the short period Cepheid SU Cassiopeiae

Bruno Alessi, Daniel J. Majaess, David D. Balam, David G. Turner, David J. Lane, Doug W. Forbes, Jesper Storm, Robert J. Havlen, Wolfgang P. Gieren

arxiv:1202.5305 v1 · 2012-02-23 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVXNZ5N3I45B2VH57YLG3IN3CO}

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	2026-05-18T01:58:20.175293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44

Aliases

arxiv: 1202.5305 · arxiv_version: 1202.5305v1 · doi: 10.48550/arxiv.1202.5305 · pith_short_12: IVXNZ5N3I45B · pith_short_16: IVXNZ5N3I45B2VH5 · pith_short_8: IVXNZ5N3

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/IVXNZ5N3I45B2VH57YLG3IN3CO \
  | 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: 456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5181ae0bf23e90a6b9257c1b884793857193fc8f896bfad0ccb841758501f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-23T21:00:00Z",
    "title_canon_sha256": "5f65c36405fc89d394ea8d7da6237747da33b50ff04d04c69d0e8810f8ea2837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5305",
    "kind": "arxiv",
    "version": 1
  }
}