Pith Number

pith:TSOAUNCI

pith:2009:TSOAUNCIKB67XB4Y4KCI5OYW4P

not attested not anchored not stored refs pending

Sulfur Abundances in the Orion Association B Stars

2), (2) NOAO, (3) New Mexico State University, (4) Observatoire de Geneve), Cristina Chiappini (4) ((1) Observatorio Nacional, Jon Holtzman (3), Katia Cunha (1, Ramiro de la Reza (1), Simone Daflon (1)

arxiv:0909.1632 v1 · 2009-09-09 · 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{TSOAUNCIKB67XB4Y4KCI5OYW4P}

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	2026-05-18T02:11:58.217228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c9c0a3448507dfb8798e2848ebb16e3ca5a0eb1500c6ac393923850d4d22f1c

Aliases

arxiv: 0909.1632 · arxiv_version: 0909.1632v1 · doi: 10.48550/arxiv.0909.1632 · pith_short_12: TSOAUNCIKB67 · pith_short_16: TSOAUNCIKB67XB4Y · pith_short_8: TSOAUNCI

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/TSOAUNCIKB67XB4Y4KCI5OYW4P \
  | 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: 9c9c0a3448507dfb8798e2848ebb16e3ca5a0eb1500c6ac393923850d4d22f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e629c2e21756879e3a69a8406200663f703fe7782c221e36f14f3c9f22ccab6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-09T12:59:24Z",
    "title_canon_sha256": "6e4a56c1b1831a8ddc31884d81335b53bd48820b23885efdd7799e649aa15280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1632",
    "kind": "arxiv",
    "version": 1
  }
}