Pith Number

pith:YDIM2VSS

pith:2002:YDIM2VSSDDOM2VHV3NIBJBRQME

not attested not anchored not stored refs pending

High-Resolution {\it Chandra} Spectroscopy of tau Scorpii: A Narrow-Line X-ray Spectrum From a Hot Star

David H. Cohen, Duane A. Liedahl (Lawrence Livermore National Laboratory), Eau Claire), Genevi\`eve E. de Messi\`eres (Swarthmore College, Joseph J. MacFarlane (Prism Computational Sciences), Joseph P. Cassinelli (University of Wisconsin, Madison), Nathan A. Miller (University of Wisconsin, Prism Computational Sciences), Stanley P. Owocki (Bartol Research Institute, University of Delaware)

arxiv:astro-ph/0211412 v2 · 2002-11-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDIM2VSSDDOM2VHV3NIBJBRQME}

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	2026-05-18T01:09:03.551449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d0cd565218dccd54f5db501486306113b7e5aeb589677d7b40dbf7cdbd2e85

Aliases

arxiv: astro-ph/0211412 · arxiv_version: astro-ph/0211412v2 · doi: 10.48550/arxiv.astro-ph/0211412 · pith_short_12: YDIM2VSSDDOM · pith_short_16: YDIM2VSSDDOM2VHV · pith_short_8: YDIM2VSS

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/YDIM2VSSDDOM2VHV3NIBJBRQME \
  | 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: c0d0cd565218dccd54f5db501486306113b7e5aeb589677d7b40dbf7cdbd2e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a67bcd88b2b58f9224c364e17b4f7ae138b3c30c9ae40d71ecedc50fcb34a3d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-18T23:58:36Z",
    "title_canon_sha256": "34405afead2041036841d08b38aef5dc05019a4b787e2fca2037d337736e85a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211412",
    "kind": "arxiv",
    "version": 2
  }
}