Pith Number

pith:U7GNETXN

pith:2011:U7GNETXNGDWUSPPEI4LTXA2ILR

not attested not anchored not stored refs pending

Effect of radiative transfer on damped Lyman-alpha and Lyman limit systems in cosmological SPH simulations

(2) U. of Kentucky, (3) U. of Nevada, Hidenobu Yajima (1), Jun-Hwan Choi (2), Kentaro Nagamine (3) ((1) Pennsylvania State University, Las Vegas)

arxiv:1112.5691 v2 · 2011-12-24 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7GNETXNGDWUSPPEI4LTXA2ILR}

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	2026-05-18T01:59:00.774363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ccd24eed30ed493de447173b83485c68d9c69a5a0c582bb900a16657b9a8e5

Aliases

arxiv: 1112.5691 · arxiv_version: 1112.5691v2 · doi: 10.48550/arxiv.1112.5691 · pith_short_12: U7GNETXNGDWU · pith_short_16: U7GNETXNGDWUSPPE · pith_short_8: U7GNETXN

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/U7GNETXNGDWUSPPEI4LTXA2ILR \
  | 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: a7ccd24eed30ed493de447173b83485c68d9c69a5a0c582bb900a16657b9a8e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb671d6d7d8a652e688d2f057457a7697b7b42f97cf9c3119dfaf5e31b77728",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-24T03:16:55Z",
    "title_canon_sha256": "24f2e1d73c645abe7b3681ea5623369700669fb1854584ab5950f818a14b4dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5691",
    "kind": "arxiv",
    "version": 2
  }
}