Pith Number

pith:VP2EX75E

pith:2000:VP2EX75EU2OD7JBZYA2JE5S5BU

not attested not anchored not stored refs pending

Fundamental parameters of Galactic luminous OB stars V. The effect of microturbulence

A. Herrero, M. R. Villamariz

arxiv:astro-ph/0002488 v2 · 2000-02-25 · 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{VP2EX75EU2OD7JBZYA2JE5S5BU}

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	2026-07-04T14:10:12.813602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf44bffa4a69c3fa439c03492765d0d1b4dea330683aa83aba9853f95fef2cf

Aliases

arxiv: astro-ph/0002488 · arxiv_version: astro-ph/0002488v2 · doi: 10.48550/arxiv.astro-ph/0002488 · pith_short_12: VP2EX75EU2OD · pith_short_16: VP2EX75EU2OD7JBZ · pith_short_8: VP2EX75E

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/VP2EX75EU2OD7JBZYA2JE5S5BU \
  | 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: abf44bffa4a69c3fa439c03492765d0d1b4dea330683aa83aba9853f95fef2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "463d49b1fb4eaf6c7f6e52985f34dbf4fa6b8f0fd43b4dc2c41cbdaeb4def8d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-25T20:55:29Z",
    "title_canon_sha256": "7d48b38a13647a669f60bae7b7002fce6d815da1a51602e6a938ac1eafaa5cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002488",
    "kind": "arxiv",
    "version": 2
  }
}