Pith Number

pith:RZF65B3E

pith:2008:RZF65B3ETQZBBSZRTQLKWHTU3S

not attested not anchored not stored refs pending

VLT/ISAAC Spectra of the Hbeta Region in Intermediate-Redshift Quasars III. Hbeta Broad Line Profile Analysis and Inferences about BLR Structure

G. M. Stirpe, J. W. Sulentic, M. Calvani, P. Marziani, S. Zamfir

arxiv:0812.0251 v1 · 2008-12-01 · 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{RZF65B3ETQZBBSZRTQLKWHTU3S}

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	2026-07-04T17:13:47.801356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4bee87649c3210cb319c16ab1e74dc97298e536c529ac08a6481dd34689087

Aliases

arxiv: 0812.0251 · arxiv_version: 0812.0251v1 · doi: 10.48550/arxiv.0812.0251 · pith_short_12: RZF65B3ETQZB · pith_short_16: RZF65B3ETQZBBSZR · pith_short_8: RZF65B3E

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/RZF65B3ETQZBBSZRTQLKWHTU3S \
  | 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: 8e4bee87649c3210cb319c16ab1e74dc97298e536c529ac08a6481dd34689087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a71016c64e67a7c626b1ca390a8896e2e4a87c82bb8782c135af2c932ad0f6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-01T09:56:00Z",
    "title_canon_sha256": "d00ec4d39a32776fee301a63844b3219ea1f2d1a97912e1894894d2c722a3a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0251",
    "kind": "arxiv",
    "version": 1
  }
}