Pith Number

pith:T3JZYWDZ

pith:2012:T3JZYWDZAEJPD2P4FFOUPFUO2Z

not attested not anchored not stored refs pending

Cepheids and other short-period variables near the Galactic Centre

Giuseppe Bono, Michael W. Feast, Motohide Tamura, Naoto Kobayashi, Noriyuki Matsunaga, Shogo Nishiyama, Takahiro Kawadu, Takahiro Nagayama, Tetsuya Nagata

arxiv:1211.0151 v1 · 2012-11-01 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3JZYWDZAEJPD2P4FFOUPFUO2Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:53:27.055448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed39c58790112f1e9fc295d47968ed6645afe56135e60800ba28f0f200d2cd2

Aliases

arxiv: 1211.0151 · arxiv_version: 1211.0151v1 · doi: 10.48550/arxiv.1211.0151 · pith_short_12: T3JZYWDZAEJP · pith_short_16: T3JZYWDZAEJPD2P4 · pith_short_8: T3JZYWDZ

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/T3JZYWDZAEJPD2P4FFOUPFUO2Z \
  | 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: 9ed39c58790112f1e9fc295d47968ed6645afe56135e60800ba28f0f200d2cd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46abc2aef712bfc5e07e81055905fa09e0eafde5929e859ede4bd9e28df3d921",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-01T11:30:20Z",
    "title_canon_sha256": "3f8963b786d9570ceeef450532d0eb66a7a2307248530680165f8c2da68894bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0151",
    "kind": "arxiv",
    "version": 1
  }
}