Pith Number

pith:YXRKGYJQ

pith:2012:YXRKGYJQFHKP7O2WOCOUMSU3VR

not attested not anchored not stored refs pending

Barium Abundances in Cepheids

J.R.D. Lepine, R.E. Luck, S.A. Korotin, S.M. Andrievsky, V.V. Kovtyukh, W.J. Maciel

arxiv:1210.6211 v1 · 2012-10-23 · 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{YXRKGYJQFHKP7O2WOCOUMSU3VR}

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	2026-05-18T01:53:44.369196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e2a3613029d4ffbb56709d464a9bac734ea63e9fb05238ffddd13a6f26892e

Aliases

arxiv: 1210.6211 · arxiv_version: 1210.6211v1 · doi: 10.48550/arxiv.1210.6211 · pith_short_12: YXRKGYJQFHKP · pith_short_16: YXRKGYJQFHKP7O2W · pith_short_8: YXRKGYJQ

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/YXRKGYJQFHKP7O2WOCOUMSU3VR \
  | 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: c5e2a3613029d4ffbb56709d464a9bac734ea63e9fb05238ffddd13a6f26892e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3f7ed6893563692b34d9c8e20f8dc9735d18d102e10244b3052b2ca37509597",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-23T11:59:04Z",
    "title_canon_sha256": "36eba4a1c800f3933d68c26fbfe517d5f4da2b27a6a79bc9ce0ffb579505f9a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6211",
    "kind": "arxiv",
    "version": 1
  }
}