Pith Number

pith:U2JLVMSU

pith:2010:U2JLVMSUTWSFNMWTO36NH5Z2PX

not attested not anchored not stored refs pending

A mass-loss rate determination for zeta Puppis from the quantitative analysis of X-ray emission line profiles

(2) NASA-GSFC, 3), (3) Caltech, (4) Univ. Pittsburgh, 5), (5) IPN, (6) Univ. Delaware, 7), (7) Univ. Wisconsin), David H. Cohen (1), D. John Hillier (4), Emma E. Wollman (1, Janos Zsarg\'o (4, Maurice A. Leutenegger (2), Mexico City, Richard H. D. Townsend (6, Stanley P. Owocki (6) ((1) Swarthmore College

arxiv:1003.0892 v1 · 2010-03-03 · 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{U2JLVMSUTWSFNMWTO36NH5Z2PX}

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	2026-05-18T02:08:46.778442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a692bab2549da456b2d376fcd3f73a7df80f7ba3308310cfef3795b12d74fb46

Aliases

arxiv: 1003.0892 · arxiv_version: 1003.0892v1 · doi: 10.48550/arxiv.1003.0892 · pith_short_12: U2JLVMSUTWSF · pith_short_16: U2JLVMSUTWSFNMWT · pith_short_8: U2JLVMSU

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/U2JLVMSUTWSFNMWTO36NH5Z2PX \
  | 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: a692bab2549da456b2d376fcd3f73a7df80f7ba3308310cfef3795b12d74fb46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d13dafd44b397d2be8b1d3278d6b452da539f0dd9a562d7b6f1268a8e60689",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-03T21:00:02Z",
    "title_canon_sha256": "27d94edd045597a8482d48174fa930dafbf8565edaf988f9640a86c3dec54a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0892",
    "kind": "arxiv",
    "version": 1
  }
}