Pith Number

pith:DR5AFAB3

pith:2013:DR5AFAB3C4AD5Y377JYQTPD2BN

not attested not anchored not stored refs pending

A New RR Lyrae Metallicity Calibration

E. Spalding, N. De Lee, R. Wilhelm

arxiv:1310.0590 v1 · 2013-10-02 · 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{DR5AFAB3C4AD5Y377JYQTPD2BN}

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	2026-05-18T03:11:34.739454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c7a02803b17003ee37ffa7109bc7a0b4ddc2c143015d2cc45d240e5d7def05a

Aliases

arxiv: 1310.0590 · arxiv_version: 1310.0590v1 · doi: 10.48550/arxiv.1310.0590 · pith_short_12: DR5AFAB3C4AD · pith_short_16: DR5AFAB3C4AD5Y37 · pith_short_8: DR5AFAB3

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/DR5AFAB3C4AD5Y377JYQTPD2BN \
  | 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: 1c7a02803b17003ee37ffa7109bc7a0b4ddc2c143015d2cc45d240e5d7def05a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8fd011601e0301f36a3a0fdf08e0042a9c62198b74609831509057107657b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-02T06:50:31Z",
    "title_canon_sha256": "50c3cf0355eb6e9d65838c6fa85a243576855507d5b27c3a8b47bdb246a6d9b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0590",
    "kind": "arxiv",
    "version": 1
  }
}