Pith Number

pith:OE3OJHF6

pith:2013:OE3OJHF6LDINWYWB5CQTRFNFHA

not attested not anchored not stored refs pending

The ACS LCID Project. VIII. The short-period Cepheids of Leo A

Andrew A. Cole, Antonio Aparicio, Carme Gallart, Edouard J. Bernard, Eline Tolstoy, Evan D. Skillman, Giuliana Fiorentino, Igor Drozdovsky, Matteo Monelli, Peter B. Stetson, Santi Cassisi, Sebastian L. Hidalgo

arxiv:1304.5435 v1 · 2013-04-19 · 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{OE3OJHF6LDINWYWB5CQTRFNFHA}

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	2026-05-18T01:50:24.481862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7136e49cbe58d0db62c1e8a13895a53812e00df93a1847c29ef988ae67b0df4c

Aliases

arxiv: 1304.5435 · arxiv_version: 1304.5435v1 · doi: 10.48550/arxiv.1304.5435 · pith_short_12: OE3OJHF6LDIN · pith_short_16: OE3OJHF6LDINWYWB · pith_short_8: OE3OJHF6

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/OE3OJHF6LDINWYWB5CQTRFNFHA \
  | 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: 7136e49cbe58d0db62c1e8a13895a53812e00df93a1847c29ef988ae67b0df4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5283427f58a758b59ccc31eb996dca8323833c15fd3a0a0099d43f98ad3aa8cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-19T14:45:32Z",
    "title_canon_sha256": "25182b146c4d0a603655d178ddd603f9d46f8fd450d5b0892e011e0c5b4289e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5435",
    "kind": "arxiv",
    "version": 1
  }
}