Pith Number

pith:FUIS2WDP

pith:2012:FUIS2WDPJAJ3NMGO2TQOY6KC4O

not attested not anchored not stored refs pending

On the Weak-Wind Problem in Massive Stars: X-ray Spectra Reveal a Massive Hot Wind in \mu\ Columbae

David P. Huenemoerder, Helge Todt, Kenji Hamaguchi, Lidia M. Oskinova, Richard Ignace, Shunji Kitamoto, Wayne L. Waldron

arxiv:1208.0820 v1 · 2012-08-03 · 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{FUIS2WDPJAJ3NMGO2TQOY6KC4O}

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	2026-05-18T01:55:23.206819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d112d586f4813b6b0ced4e0ec7942e38254669501fe7514d0d45663cd1c429b

Aliases

arxiv: 1208.0820 · arxiv_version: 1208.0820v1 · doi: 10.48550/arxiv.1208.0820 · pith_short_12: FUIS2WDPJAJ3 · pith_short_16: FUIS2WDPJAJ3NMGO · pith_short_8: FUIS2WDP

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/FUIS2WDPJAJ3NMGO2TQOY6KC4O \
  | 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: 2d112d586f4813b6b0ced4e0ec7942e38254669501fe7514d0d45663cd1c429b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f342889071f540c284a6e2bd89731fd262869bde9c55b2cc739df3b0d8d96b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-03T19:38:28Z",
    "title_canon_sha256": "32c905ed096a9bdd7dd7eb413955cdbd8d40052a49bfbe6b184c41f5c380f64f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0820",
    "kind": "arxiv",
    "version": 1
  }
}