Pith Number

pith:PJ7HQLUZ

pith:2008:PJ7HQLUZIGDRUOQ4TKUO26MT4Y

not attested not anchored not stored refs pending

Lyman Alpha Galaxies: Primitive, Dusty or Evolved Galaxies?

James E. Rhoads, Norman Grogin (Space Telescope Science Institute; ASU School of Earth, Sangeeta Malhotra (ASU School of Earth, Space Exploration), Steven L. Finkelstein (Arizona State University Dept. of Physics; Texas A&M University Department of Physics)

arxiv:0806.3269 v2 · 2008-06-19 · 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{PJ7HQLUZIGDRUOQ4TKUO26MT4Y}

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	2026-05-18T04:29:33.410852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7e782e9941871a3a1c9aa8ed7993e638008f1c7d919bd00c668326a13d3016

Aliases

arxiv: 0806.3269 · arxiv_version: 0806.3269v2 · doi: 10.48550/arxiv.0806.3269 · pith_short_12: PJ7HQLUZIGDR · pith_short_16: PJ7HQLUZIGDRUOQ4 · pith_short_8: PJ7HQLUZ

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/PJ7HQLUZIGDRUOQ4TKUO26MT4Y \
  | 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: 7a7e782e9941871a3a1c9aa8ed7993e638008f1c7d919bd00c668326a13d3016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f0fe9a69e45d23e499ac6a68433699392be2dcc2ebe984f7a7a1379a646fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-19T20:07:39Z",
    "title_canon_sha256": "633c093a09febb6db4044283a6dc8fbfff323404e138c1d7f03f996bb08c5cdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3269",
    "kind": "arxiv",
    "version": 2
  }
}