Pith Number

pith:JINETUAL

pith:1996:JINETUAL2XDM6MDWHG2BGVMFJV

not attested not anchored not stored refs pending

Optically identified QSO absorption systems and galaxy evolution

Klaus J. Fricke, Ulrich Lindner, Uta Fritze - von Alvensleben

arxiv:astro-ph/9604090 v1 · 1996-04-16 · 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{JINETUAL2XDM6MDWHG2BGVMFJV}

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	2026-05-18T01:07:41.018598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a1a49d00bd5c6cf307639b41355854d65ff65efce4b7b3896493a39675a570e

Aliases

arxiv: astro-ph/9604090 · arxiv_version: astro-ph/9604090v1 · doi: 10.48550/arxiv.astro-ph/9604090 · pith_short_12: JINETUAL2XDM · pith_short_16: JINETUAL2XDM6MDW · pith_short_8: JINETUAL

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/JINETUAL2XDM6MDWHG2BGVMFJV \
  | 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: 4a1a49d00bd5c6cf307639b41355854d65ff65efce4b7b3896493a39675a570e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23724a68b7a696d6a8b4488a1ac011b4ced2b77f99a098de9ec7720ad700eac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-04-16T16:19:37Z",
    "title_canon_sha256": "aebb49fd3efe72ad7b36c2149acdbb6a273cca7be2ac129a3503b0ba4ffcb4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9604090",
    "kind": "arxiv",
    "version": 1
  }
}