Pith Number

pith:KEBP7V5Q

pith:2011:KEBP7V5QMFIMAZVLM676YXLPHV

not attested not anchored not stored refs pending

Three classical Cepheid variable stars in the nuclear bulge of the Milky Way

G. Bono, M. Tamura, M. W. Feast, N. Kobayashi, N. Matsunaga, S. Nishiyama, T. Kawadu, T. Nagata, T. Nagayama

arxiv:1111.6359 v1 · 2011-11-28 · 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{KEBP7V5QMFIMAZVLM676YXLPHV}

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	2026-05-18T04:07:31.218301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5102ffd7b06150c066ab67bfec5d6f3d61feaaaa166401082a06a747fb09c689

Aliases

arxiv: 1111.6359 · arxiv_version: 1111.6359v1 · doi: 10.48550/arxiv.1111.6359 · pith_short_12: KEBP7V5QMFIM · pith_short_16: KEBP7V5QMFIMAZVL · pith_short_8: KEBP7V5Q

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/KEBP7V5QMFIMAZVLM676YXLPHV \
  | 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: 5102ffd7b06150c066ab67bfec5d6f3d61feaaaa166401082a06a747fb09c689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be4aba89beb3bae6c44c3db71f6c1b4f9c85e3de6976a46122a476403ba0653c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-28T07:50:00Z",
    "title_canon_sha256": "2595a0bee8fb49f795d229ddb36646312300476d9f0ae02289cc0cdcdc4b4a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6359",
    "kind": "arxiv",
    "version": 1
  }
}