Pith Number

pith:KD7BK27U

pith:2015:KD7BK27UI5AJQ5QWNKFNRPTOO6

not attested not anchored not stored refs pending

Period-Color and Amplitude-Color Relations for RR Lyraes

Anupam Bhardwaj, C. C. Ngeow, H. P. Singh, Shashi Kanbur

arxiv:1512.03494 v1 · 2015-12-11 · 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{KD7BK27UI5AJQ5QWNKFNRPTOO6}

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	2026-05-18T01:24:32.289297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50fe156bf447409876166a8ad8be6e778e2f6c90f54fbf1e37a66ef4e51a4910

Aliases

arxiv: 1512.03494 · arxiv_version: 1512.03494v1 · doi: 10.48550/arxiv.1512.03494 · pith_short_12: KD7BK27UI5AJ · pith_short_16: KD7BK27UI5AJQ5QW · pith_short_8: KD7BK27U

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/KD7BK27UI5AJQ5QWNKFNRPTOO6 \
  | 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: 50fe156bf447409876166a8ad8be6e778e2f6c90f54fbf1e37a66ef4e51a4910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac8f58be2a90deff4e0e5e7bdd58d7fa676f2f51b7ce01fec0a8d0158afaf0b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-11T00:39:44Z",
    "title_canon_sha256": "1c92624f36e0fc88168a1ccac8d87ccaf2688ace8561f18d6a62a9f9bf75473a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03494",
    "kind": "arxiv",
    "version": 1
  }
}