Pith Number

pith:OXEAA7SL

pith:2007:OXEAA7SLZHPGVPAOULVJVS3W4B

not attested not anchored not stored refs pending

Detailed Analysis of Balmer Lines in a Sloan Digital Sky Survey Sample of 90 Broad Line Active Galactic Nuclei

D. Ili\'c, G. La Mura, L. \v{C}. Popovi\'c, P. Rafanelli, S. Ciroi

arxiv:0708.4329 v2 · 2007-08-31 · 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{OXEAA7SLZHPGVPAOULVJVS3W4B}

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	2026-07-04T15:39:21.317985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c8007e4bc9de6abc0ea2ea9acb76e0402762ac0c663ed1cb166fe6f9c3f2fe

Aliases

arxiv: 0708.4329 · arxiv_version: 0708.4329v2 · doi: 10.48550/arxiv.0708.4329 · pith_short_12: OXEAA7SLZHPG · pith_short_16: OXEAA7SLZHPGVPAO · pith_short_8: OXEAA7SL

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/OXEAA7SLZHPGVPAOULVJVS3W4B \
  | 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: 75c8007e4bc9de6abc0ea2ea9acb76e0402762ac0c663ed1cb166fe6f9c3f2fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d023fdf455e3b03f1b1fd060239ca73e2deec6a96b548e916157086f1e125713",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-31T12:42:09Z",
    "title_canon_sha256": "00aef06737073917f67554c43e68cd0886856282dd61ca1aac441731f6362705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.4329",
    "kind": "arxiv",
    "version": 2
  }
}