Pith Number

pith:JVKG4OWF

pith:2004:JVKG4OWFEMSC2T42FWUN2JCLDC

not attested not anchored not stored refs pending

The ionization structure of early-B supergiant winds

(2) SGT, D. Massa (2), Inc., NASA GSFC), R.K. Prinja (1), S.C. Searle (1) ((1) UCL

arxiv:astro-ph/0412315 v1 · 2004-12-13 · 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{JVKG4OWFEMSC2T42FWUN2JCLDC}

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	2026-07-04T16:45:24.407783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d546e3ac523242d4f9a2da8dd244b18908421459e31bd8138200958504b9fc3

Aliases

arxiv: astro-ph/0412315 · arxiv_version: astro-ph/0412315v1 · doi: 10.48550/arxiv.astro-ph/0412315 · pith_short_12: JVKG4OWFEMSC · pith_short_16: JVKG4OWFEMSC2T42 · pith_short_8: JVKG4OWF

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/JVKG4OWFEMSC2T42FWUN2JCLDC \
  | 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: 4d546e3ac523242d4f9a2da8dd244b18908421459e31bd8138200958504b9fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9e5d8fb6c4c9b92f16a77062811df6cd394413984693c4da07f475f7204f7b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-13T23:52:48Z",
    "title_canon_sha256": "f47bbfd5dd5e2691a7572a89bd57d15b08be45402681f0e3ecf88fc98d40ce0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412315",
    "kind": "arxiv",
    "version": 1
  }
}