Pith Number

pith:MQG3Q5LP

pith:2011:MQG3Q5LPKC7FEQX7YAY7YICAGB

not attested not anchored not stored refs pending

Massive, red galaxies in a hierarchical universe-II Clustering of Extremely Red Objects

C. G. Lacey, C. M. Baugh, J.-W. Kim (Durham University), V. Gonzalez-Perez

arxiv:1105.3477 v3 · 2011-05-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQG3Q5LPKC7FEQX7YAY7YICAGB}

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	2026-05-18T02:21:59.604710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640db8756f50be5242ffc031fc20403061afc076814c9aa0c1c5600e436452ee

Aliases

arxiv: 1105.3477 · arxiv_version: 1105.3477v3 · doi: 10.48550/arxiv.1105.3477 · pith_short_12: MQG3Q5LPKC7F · pith_short_16: MQG3Q5LPKC7FEQX7 · pith_short_8: MQG3Q5LP

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/MQG3Q5LPKC7FEQX7YAY7YICAGB \
  | 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: 640db8756f50be5242ffc031fc20403061afc076814c9aa0c1c5600e436452ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a312701bd06efb65abcdfc1684374fa4a77119bb17735dc5eb2dc0f50fa926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-17T20:00:20Z",
    "title_canon_sha256": "35193013d1a5539475e42c4c18bb211aafb4d2a2c88769c586d76644e883e2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3477",
    "kind": "arxiv",
    "version": 3
  }
}