Pith Number

pith:KPUSZEGA

pith:1999:KPUSZEGARYAVDBH5YE25FWYQEC

not attested not anchored not stored refs pending

Wolf-Rayet stars as tracing the AGN-starburst connection

Daniel Kunth (IAP, France), Garching), Thierry Contini (ESO

arxiv:astro-ph/9901170 v1 · 1999-01-13 · 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{KPUSZEGARYAVDBH5YE25FWYQEC}

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	2026-07-04T14:16:29.762145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e92c90c08e015184fdc135d2db102082a98fd8ad09c00cb105853d5139a96c

Aliases

arxiv: astro-ph/9901170 · arxiv_version: astro-ph/9901170v1 · doi: 10.48550/arxiv.astro-ph/9901170 · pith_short_12: KPUSZEGARYAV · pith_short_16: KPUSZEGARYAVDBH5 · pith_short_8: KPUSZEGA

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/KPUSZEGARYAVDBH5YE25FWYQEC \
  | 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: 53e92c90c08e015184fdc135d2db102082a98fd8ad09c00cb105853d5139a96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d2bf7a28320efc3d31b0d5c9ceab9933b64cc225e409788cde1a5289b740df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-13T16:45:10Z",
    "title_canon_sha256": "e221256ffcec927d81c74c0934cb9f7ab9d6d970f1d4b2a6ca1642e881979dc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901170",
    "kind": "arxiv",
    "version": 1
  }
}