Pith Number

pith:ZXUTBODP

pith:1999:ZXUTBODP3BLO2UTAWSW5ZGKQPL

not attested not anchored not stored refs pending

Simulations of Damped Lyman-Alpha and Lyman Limit Absorbers in Different Cosmologies: Implications for Structure Formation at High Redshift

David H. Weinberg, Jeffrey P. Gardner, Lars Hernquist, Neal Katz

arxiv:astro-ph/9911343 v2 · 1999-11-18 · 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{ZXUTBODP3BLO2UTAWSW5ZGKQPL}

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	2026-05-18T01:07:15.239358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cde930b86fd856ed5260b4addc99507ad1f57317a02f44b36e3c8762153f961e

Aliases

arxiv: astro-ph/9911343 · arxiv_version: astro-ph/9911343v2 · doi: 10.48550/arxiv.astro-ph/9911343 · pith_short_12: ZXUTBODP3BLO · pith_short_16: ZXUTBODP3BLO2UTA · pith_short_8: ZXUTBODP

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/ZXUTBODP3BLO2UTAWSW5ZGKQPL \
  | 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: cde930b86fd856ed5260b4addc99507ad1f57317a02f44b36e3c8762153f961e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a83058611a2e11972883b1f8ed814501ced61fb8439be4926843380f9874cd3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-18T00:04:12Z",
    "title_canon_sha256": "1479a73a4fefea1d7189460677d6e310e7f1e459c4f342dd58201acb2d3174e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911343",
    "kind": "arxiv",
    "version": 2
  }
}