Pith Number

pith:CFQRQXQM

pith:2006:CFQRQXQMVAAL4ZSKUPDHCIH6DA

not attested not anchored not stored refs pending

Spectroscopic Identification of Massive Galaxies at z~2.3 with Strongly Suppressed Star Formation

Danilo Marchesini, David Herrera, Edward Taylor, Eric Gawiser, Garth Illingworth, Gregory Rudnick, Hans-Walter Rix, Ivo Labbe, Marijn Franx, Mariska Kriek, Megan Urry, Paulina Lira, Pieter van Dokkum, Ryan Quadri, Stijn Wuyts, Sune Toft

arxiv:astro-ph/0608446 v1 · 2006-08-21 · 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{CFQRQXQMVAAL4ZSKUPDHCIH6DA}

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.

Cited by

1 paper in Pith

A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots

Receipt and verification

First computed	2026-05-18T04:28:57.987494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1161185e0ca800be664aa3c67120fe1819eaf18d7abb0958dd573bc2f45b0f33

Aliases

arxiv: astro-ph/0608446 · arxiv_version: astro-ph/0608446v1 · doi: 10.48550/arxiv.astro-ph/0608446 · pith_short_12: CFQRQXQMVAAL · pith_short_16: CFQRQXQMVAAL4ZSK · pith_short_8: CFQRQXQM

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/CFQRQXQMVAAL4ZSKUPDHCIH6DA \
  | 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: 1161185e0ca800be664aa3c67120fe1819eaf18d7abb0958dd573bc2f45b0f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bb45893463e9a13f7aaf1ee0c8c425d016efb374777ce250140ab0cddc43f57",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-21T20:00:21Z",
    "title_canon_sha256": "3c213b0bf40d1dbde3d5bcc6e62192668457894a6e7adfe8c4d5ab2d72e5f1c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608446",
    "kind": "arxiv",
    "version": 1
  }
}