Pith Number

pith:QJOV77HN

pith:2011:QJOV77HNELFPVYOVH7AIKKLO4S

not attested not anchored not stored refs pending

The number density and mass density of star-forming and quiescent galaxies at 0.4 < z < 2.2

Adam Muzzin, Danilo Marchesini, Gabriel B. Brammer, Gregory Rudnick, Ivo Labbe, Katherine E. Whitaker, Kyoung-Soo Lee, Marijn Franx, Mariska Kriek, Pieter G. van Dokkum, Rik Williams, Ryan F. Quadri

arxiv:1104.2595 v1 · 2011-04-13 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:02:29.636788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

825d5ffced22cafae1d53fc085296ee49a52b75368c3daca9f1322ad0132f83e

Aliases

arxiv: 1104.2595 · arxiv_version: 1104.2595v1 · doi: 10.48550/arxiv.1104.2595 · pith_short_12: QJOV77HNELFP · pith_short_16: QJOV77HNELFPVYOV · pith_short_8: QJOV77HN

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/QJOV77HNELFPVYOVH7AIKKLO4S \
  | 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: 825d5ffced22cafae1d53fc085296ee49a52b75368c3daca9f1322ad0132f83e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950e330d469a6a51972eb279a3305ece772d2477830b3a724e782b405fcc58a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-13T20:00:03Z",
    "title_canon_sha256": "ad246669298883d7bf5f50a5f707d6abcb3a0711d507af87c15edd271bdf050c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2595",
    "kind": "arxiv",
    "version": 1
  }
}