Pith Number

pith:CMOYG2IV

pith:2014:CMOYG2IVL73NOPCTZP6JBZUL7A

not attested not anchored not stored refs pending

The EPOCH Project: I. Periodic variable stars in the EROS-2 LMC database

Coryn A.L. Bailer-Jones, Dae-Won Kim, Jean-Baptiste Marquette, Min-Su Shin, Pavlos Protopapas, Seo-Won Chang, Yong-Ik Byun

arxiv:1403.6131 v2 · 2014-03-24 · astro-ph.IM · 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{CMOYG2IVL73NOPCTZP6JBZUL7A}

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	2026-05-18T02:48:36.580900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

131d8369155ff6d73c53cbfc90e68bf83297656cd3ac878c3e8ad1c5dc11bc13

Aliases

arxiv: 1403.6131 · arxiv_version: 1403.6131v2 · doi: 10.48550/arxiv.1403.6131 · pith_short_12: CMOYG2IVL73N · pith_short_16: CMOYG2IVL73NOPCT · pith_short_8: CMOYG2IV

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/CMOYG2IVL73NOPCTZP6JBZUL7A \
  | 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: 131d8369155ff6d73c53cbfc90e68bf83297656cd3ac878c3e8ad1c5dc11bc13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6974fb4245ce5e6d60b2e02eb790d50bb8e303a6024e5cf9a5056392d1e775b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-03-24T20:04:10Z",
    "title_canon_sha256": "8318fea3e5b551da1ab7678cd96d44148c917b23225c2f300847b967ea625979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6131",
    "kind": "arxiv",
    "version": 2
  }
}