Pith Number

pith:JO3LOSO5

pith:1999:JO3LOSO55K4TLX6O22EERT22DJ

not attested not anchored not stored refs pending

The Intermediate Line Region in AGN: a region "praeter necessitatem"?

J. W. Sulentic, P. Marziani

arxiv:astro-ph/9904203 v1 · 1999-04-15 · 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{JO3LOSO55K4TLX6O22EERT22DJ}

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	2026-07-04T16:10:53.813276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb6b749ddeab935dfced68848cf5a1a5ce7e063d7d2cabb36d44788f7346bdd

Aliases

arxiv: astro-ph/9904203 · arxiv_version: astro-ph/9904203v1 · doi: 10.48550/arxiv.astro-ph/9904203 · pith_short_12: JO3LOSO55K4T · pith_short_16: JO3LOSO55K4TLX6O · pith_short_8: JO3LOSO5

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/JO3LOSO55K4TLX6O22EERT22DJ \
  | 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: 4bb6b749ddeab935dfced68848cf5a1a5ce7e063d7d2cabb36d44788f7346bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43db83183084dcc3342ec6eb68db95fe9b5fb6f53cd85ef84a8a6a4ff1f18118",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-15T20:09:11Z",
    "title_canon_sha256": "74c5e70852984b6af8a93eedd884201ef22c9ca2f9d5574705c440ec0d3166e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904203",
    "kind": "arxiv",
    "version": 1
  }
}