Pith Number

pith:B7SFAWPA

pith:2013:B7SFAWPAZEDHKWKAR6JTEUABYR

not attested not anchored not stored refs pending

On the Galactic chemical evolution of sulphur. Sulphur abundances from the [S i] 1082 nm line in giants

A. K. Dupree, E. Matrozis, N. Ryde

arxiv:1309.0114 v1 · 2013-08-31 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7SFAWPAZEDHKWKAR6JTEUABYR}

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	2026-05-18T03:04:23.932726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe45059e0c9067559408f93325001c46cf0fc4c34b4b915e2231d09c1159915

Aliases

arxiv: 1309.0114 · arxiv_version: 1309.0114v1 · doi: 10.48550/arxiv.1309.0114 · pith_short_12: B7SFAWPAZEDH · pith_short_16: B7SFAWPAZEDHKWKA · pith_short_8: B7SFAWPA

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/B7SFAWPAZEDHKWKAR6JTEUABYR \
  | 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: 0fe45059e0c9067559408f93325001c46cf0fc4c34b4b915e2231d09c1159915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9e685569ce26d947bddd6eed11988d9d96c6e7352e8ed689c319c44f01cb291",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-31T13:41:18Z",
    "title_canon_sha256": "b0d8ed0218857b9dc2e8561d144d383b1424cba6035eec13208c502df4c0aa3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0114",
    "kind": "arxiv",
    "version": 1
  }
}