Pith Number

pith:JIX7QUSD

pith:2006:JIX7QUSDWVCPH5PGDCVZTRIMZF

not attested not anchored not stored refs pending

The Ages and Masses of Lyman Alpha Galaxies at Redshift $z\sim 4.5$

James E. Rhoads, Junxian Wang, Norbert Pirzkal, Sangeeta Malhotra, Steven L. Finkelstein

arxiv:astro-ph/0612511 v2 · 2006-12-18 · 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{JIX7QUSDWVCPH5PGDCVZTRIMZF}

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	2026-05-18T04:37:01.274563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a2ff85243b544f3f5e618ab99c50cc9676ca1b92c4fb46ada9cbedc3570cf02

Aliases

arxiv: astro-ph/0612511 · arxiv_version: astro-ph/0612511v2 · doi: 10.48550/arxiv.astro-ph/0612511 · pith_short_12: JIX7QUSDWVCP · pith_short_16: JIX7QUSDWVCPH5PG · pith_short_8: JIX7QUSD

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/JIX7QUSDWVCPH5PGDCVZTRIMZF \
  | 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: 4a2ff85243b544f3f5e618ab99c50cc9676ca1b92c4fb46ada9cbedc3570cf02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6516d9aa3432f012c11d0afc1ddd1657922e090012abb27b6f79a316555b068f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-18T21:02:41Z",
    "title_canon_sha256": "af9d523206bb28cf9d204959b04377244781a0d183771420d79f955ab882f358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612511",
    "kind": "arxiv",
    "version": 2
  }
}