Pith Number

pith:CQL76M5J

pith:2007:CQL76M5JMQ6XFZF4KHR7ENHL2U

not attested not anchored not stored refs pending

Photometric Properties of the Most Massive High-Redshift Galaxies

2), (2) Spitzer Fellow, (3) Harvard/CfA), Brant Robertson (1, Lars Hernquist (3), Philip F. Hopkins (3) ((1) UChicago/KICP/EFI, Thomas J. Cox (3), Yuexing Li (3)

arxiv:astro-ph/0703456 v2 · 2007-03-16 · 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{CQL76M5JMQ6XFZF4KHR7ENHL2U}

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	2026-05-18T04:37:01.068713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1417ff33a9643d72e4bc51e3f234ebd513bb26364ae3b567129cd185600a0c4d

Aliases

arxiv: astro-ph/0703456 · arxiv_version: astro-ph/0703456v2 · doi: 10.48550/arxiv.astro-ph/0703456 · pith_short_12: CQL76M5JMQ6X · pith_short_16: CQL76M5JMQ6XFZF4 · pith_short_8: CQL76M5J

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/CQL76M5JMQ6XFZF4KHR7ENHL2U \
  | 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: 1417ff33a9643d72e4bc51e3f234ebd513bb26364ae3b567129cd185600a0c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "824799664e86394d999f0d131bdff76f2c6791626c2a603a91a329f6608cd1dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-16T20:03:17Z",
    "title_canon_sha256": "725783e0685c6e5a8de9601be0ad700a1580d9b8cf289a7dbad7371fd697c32c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703456",
    "kind": "arxiv",
    "version": 2
  }
}