Pith Number

pith:LH7VTFGB

pith:2006:LH7VTFGBJVHBCJBZDMZAMXYFM3

not attested not anchored not stored refs pending

Escape of ionizing radiation from star forming regions in young galaxies

(2) DARK Cosmology Centre, Alexei O. Razoumov (1), Jesper Sommer-Larsen (2) ((1) Saint Mary's University, University of Copenhagen)

arxiv:astro-ph/0609545 v1 · 2006-09-19 · 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{LH7VTFGBJVHBCJBZDMZAMXYFM3}

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	2026-05-18T04:28:57.668102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59ff5994c14d4e1124391b32065f0566ff7f98c02d67750729fd486a485d664b

Aliases

arxiv: astro-ph/0609545 · arxiv_version: astro-ph/0609545v1 · doi: 10.48550/arxiv.astro-ph/0609545 · pith_short_12: LH7VTFGBJVHB · pith_short_16: LH7VTFGBJVHBCJBZ · pith_short_8: LH7VTFGB

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/LH7VTFGBJVHBCJBZDMZAMXYFM3 \
  | 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: 59ff5994c14d4e1124391b32065f0566ff7f98c02d67750729fd486a485d664b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1f9586571ffcf204d4dd5f347b2a25b21f5a6fadd97a65830ca584df289a18",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-19T20:00:12Z",
    "title_canon_sha256": "073a90125ad69b2dadd5c213e71957fd37d70457001bdb131fdf4b56b3f5e183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609545",
    "kind": "arxiv",
    "version": 1
  }
}