Pith Number

pith:3KFEYO6O

pith:2014:3KFEYO6OAKJSVAZKHLDUKHTH2B

not attested not anchored not stored refs pending

On the Variation of Fourier Parameters for Galactic and LMC Cepheids at Optical, Near-Infrared and Mid-Infrared Wavelengths

Anupam Bhardwaj, Chow-Choong Ngeow, Harinder P. Singh, Lucas M. Macri, Shashi M. Kanbur

arxiv:1412.4891 v1 · 2014-12-16 · 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{3KFEYO6OAKJSVAZKHLDUKHTH2B}

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	2026-05-18T02:29:08.138339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8a4c3bce02932a832a3ac7451e67d051f5fe6e25cb01bbc1a3cc69d9f78289

Aliases

arxiv: 1412.4891 · arxiv_version: 1412.4891v1 · doi: 10.48550/arxiv.1412.4891 · pith_short_12: 3KFEYO6OAKJS · pith_short_16: 3KFEYO6OAKJSVAZK · pith_short_8: 3KFEYO6O

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/3KFEYO6OAKJSVAZKHLDUKHTH2B \
  | 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: da8a4c3bce02932a832a3ac7451e67d051f5fe6e25cb01bbc1a3cc69d9f78289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3c70323861be9789ee523c972d2051fa9849b8d307290ea4d258e3403c9c04",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-16T06:20:14Z",
    "title_canon_sha256": "d4992176a0efea315017ca6ebcc9046ddda243a460caba01a1e589d072f13306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4891",
    "kind": "arxiv",
    "version": 1
  }
}