Pith Number

pith:DBRNJWU4

pith:1996:DBRNJWU4SQWHFQF3TRMQVGDK3V

not attested not anchored not stored refs pending

Non-equilibrium effects on line-of-sight size estimates of QSO absorption systems

Martin G. Haehnelt (MPA-Garching), Matthias Steinmetz (Berkeley), Michael Rauch (Caltech)

arxiv:astro-ph/9608133 v1 · 1996-08-21 · 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{DBRNJWU4SQWHFQF3TRMQVGDK3V}

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	2026-05-18T01:40:19.539708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1862d4da9c942c72c0bb9c590a986add63d68cec154aeccc77021443866df215

Aliases

arxiv: astro-ph/9608133 · arxiv_version: astro-ph/9608133v1 · doi: 10.48550/arxiv.astro-ph/9608133 · pith_short_12: DBRNJWU4SQWH · pith_short_16: DBRNJWU4SQWHFQF3 · pith_short_8: DBRNJWU4

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/DBRNJWU4SQWHFQF3TRMQVGDK3V \
  | 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: 1862d4da9c942c72c0bb9c590a986add63d68cec154aeccc77021443866df215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661010ccb5632ef52f984114f3884e9145f59bdab647ae5741d08aa9b711127b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-08-21T09:28:50Z",
    "title_canon_sha256": "7812bdcb3e772f58b2b78d18a00202a6843107104250aa648adc367c4335a82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9608133",
    "kind": "arxiv",
    "version": 1
  }
}