Pith Number

pith:JNGFOQPP

pith:2011:JNGFOQPPTGQIL5A2YKW4GVENBH

not attested not anchored not stored refs pending

New Initiatives on RR Lyrae Chemical Compositions

2), Austin, Australia (3) Observatories of the Carnegie Institution of Washington, Bi-Qing For (1, CA), Christopher Sneden (1), Crawley WA, George W. Preston (3) ((1) Department of Astronomy, Pasadena, TX (2) ICRAR, University of Texas, University of Western Australia

arxiv:1108.5162 v1 · 2011-08-25 · 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{JNGFOQPPTGQIL5A2YKW4GVENBH}

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	2026-05-18T04:14:45.287533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b4c5741ef99a085f41ac2adc3548d09f5950b409e40a33daede708f2ea52f03

Aliases

arxiv: 1108.5162 · arxiv_version: 1108.5162v1 · doi: 10.48550/arxiv.1108.5162 · pith_short_12: JNGFOQPPTGQI · pith_short_16: JNGFOQPPTGQIL5A2 · pith_short_8: JNGFOQPP

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/JNGFOQPPTGQIL5A2YKW4GVENBH \
  | 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: 4b4c5741ef99a085f41ac2adc3548d09f5950b409e40a33daede708f2ea52f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b52b28d4d02c85d2cad40c05445960ef7f97dc9477121925903613e3f19c6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-25T19:22:51Z",
    "title_canon_sha256": "8c33532b1c7ad2421e3204f645a821694df8bfe1df892cf845a34ed232215ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5162",
    "kind": "arxiv",
    "version": 1
  }
}