Pith Number

pith:UJSBZT4E

pith:2016:UJSBZT4EVMFGQOPIFPH7223XP6

not attested not anchored not stored refs pending

A Comparative Study of Multiwavelength Theoretical and Observed Light Curves of Cepheid Variables

Anupam Bhardwaj, Chow-Choong Ngeow, Harinder P. Singh, Marcella Marconi, Marina Rejkuba, Shashi M. Kanbur

arxiv:1612.03806 v2 · 2016-12-12 · astro-ph.GA · 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{UJSBZT4EVMFGQOPIFPH7223XP6}

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	2026-05-18T00:52:13.220175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2641ccf84ab0a6839e82bcffd6b777fa95460b383fd275fd09b13f0d2717d32

Aliases

arxiv: 1612.03806 · arxiv_version: 1612.03806v2 · doi: 10.48550/arxiv.1612.03806 · pith_short_12: UJSBZT4EVMFG · pith_short_16: UJSBZT4EVMFGQOPI · pith_short_8: UJSBZT4E

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/UJSBZT4EVMFGQOPIFPH7223XP6 \
  | 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: a2641ccf84ab0a6839e82bcffd6b777fa95460b383fd275fd09b13f0d2717d32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa92efa932e1b60326eb6990f4680742e6f713c2005f20cbd70e88c9f948cdc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-12T17:41:41Z",
    "title_canon_sha256": "6f11916d24102e6f488177b0f75909b19c47222871c7d81464d236d8b73c2f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03806",
    "kind": "arxiv",
    "version": 2
  }
}