Pith Number

pith:LM7QRKCV

pith:1997:LM7QRKCVIX6GZQSWSOWW4HKU5A

not attested not anchored not stored refs pending

Partial Coverage and Time Variability of Narrow-Line Intrinsic QSO Absorption Systems

F. Hamann (CASS/UCSD), Thomas A. Barlow (CASS/UCSD), W. L. W. Sargent (Caltech)

arxiv:astro-ph/9705048 v1 · 1997-05-07 · 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{LM7QRKCVIX6GZQSWSOWW4HKU5A}

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

Quasar absorption outflows on galactic scales: Insights from DESI

Receipt and verification

First computed	2026-07-04T14:15:06.934448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b3f08a85545fc6cc25693ad6e1d54e827875e470c602956175c293b25494d4e

Aliases

arxiv: astro-ph/9705048 · arxiv_version: astro-ph/9705048v1 · doi: 10.48550/arxiv.astro-ph/9705048 · pith_short_12: LM7QRKCVIX6G · pith_short_16: LM7QRKCVIX6GZQSW · pith_short_8: LM7QRKCV

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/LM7QRKCVIX6GZQSWSOWW4HKU5A \
  | 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: 5b3f08a85545fc6cc25693ad6e1d54e827875e470c602956175c293b25494d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31f29bab8f45e2040b8869cf2f8add2156232aa51572921acc8f6da80592402f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-07T17:59:44Z",
    "title_canon_sha256": "cceabea73db187d6d0bf6ce04c8f907d78b84b9426514e699c645e8643246776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705048",
    "kind": "arxiv",
    "version": 1
  }
}