Pith Number

pith:NWMIN6PA

pith:2002:NWMIN6PANW7NG66ULJBHEU5Y72

not attested not anchored not stored refs pending

Unusual Broad Absorption Line Quasars from the Sloan Digital Sky Survey

D. E. Vanden Berk, D. G. York, D. P. Schneider, et al, G. R. Knapp, G. T. Richards, M. A. Strauss, Patrick B. Hall (Princeton/Catolica), S. F. Anderson, X. Fan

arxiv:astro-ph/0203252 v1 · 2002-03-15 · 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{NWMIN6PANW7NG66ULJBHEU5Y72}

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.

Cited by

1 paper in Pith

DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest

Receipt and verification

First computed	2026-05-18T04:23:01.243099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9886f9e06dbed37bd45a427253b8fe813dbc9a1b9250c1f29bd7f26b9ed594

Aliases

arxiv: astro-ph/0203252 · arxiv_version: astro-ph/0203252v1 · doi: 10.48550/arxiv.astro-ph/0203252 · pith_short_12: NWMIN6PANW7N · pith_short_16: NWMIN6PANW7NG66U · pith_short_8: NWMIN6PA

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/NWMIN6PANW7NG66ULJBHEU5Y72 \
  | 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: 6d9886f9e06dbed37bd45a427253b8fe813dbc9a1b9250c1f29bd7f26b9ed594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e969a9ad0a23225aee05ff734635d94922487c2176ca0b2638db68f21a602559",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-15T15:37:09Z",
    "title_canon_sha256": "f45d5ab5c0f016729f909f2619521f28a203e5f117d8c05f70f10c09bb4752e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203252",
    "kind": "arxiv",
    "version": 1
  }
}