Pith Number

pith:Y5DOBGHO

pith:2010:Y5DOBGHORLBQCYNYTYK5V5SZS3

not attested not anchored not stored refs pending

Approximating RR Lyrae light curves using cubic polynomials

C. Morgan (SUNY Oswgeo), C. Ngeow (National Central University, Shashi M. Kanbur (SUNY Oswego), Steven Reyner, Taiwan)

arxiv:1005.2345 v1 · 2010-05-13 · 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{Y5DOBGHORLBQCYNYTYK5V5SZS3}

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	2026-05-18T02:07:33.204183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c746e098ee8ac30161b89e15daf65996ea390d340bfe5892c7dfce6fc2c2a88d

Aliases

arxiv: 1005.2345 · arxiv_version: 1005.2345v1 · doi: 10.48550/arxiv.1005.2345 · pith_short_12: Y5DOBGHORLBQ · pith_short_16: Y5DOBGHORLBQCYNY · pith_short_8: Y5DOBGHO

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/Y5DOBGHORLBQCYNYTYK5V5SZS3 \
  | 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: c746e098ee8ac30161b89e15daf65996ea390d340bfe5892c7dfce6fc2c2a88d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d42cc4e188c5fdb4404074f00b372bf125194915ea36fe49be0f4752782a5c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-13T15:24:27Z",
    "title_canon_sha256": "22ded52a5922ca383091e2446f38ce9dc7523eeb0b4c9bdc005800c7636fddae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2345",
    "kind": "arxiv",
    "version": 1
  }
}