Pith Number

pith:HDP2V3RR

pith:2011:HDP2V3RRYYYWM6TGBKMBK25RAG

not attested not anchored not stored refs pending

The Evolution and Environments of X-ray Emitting Active Galactic Nuclei in High-Redshift Large-Scale Structures

Brian C. Lemaux, Christopher D. Fassnacht, Dale D. Kocevski, Elizabeth J. McGrath, Gordon K. Squires, Lori M. Lubin, Nick A. Rumbaugh, Roy R. Gal

arxiv:1108.5733 v2 · 2011-08-29 · 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{HDP2V3RRYYYWM6TGBKMBK25RAG}

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	2026-05-18T02:00:45.141475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38dfaaee31c631667a660a98156bb101a3cb23f79c8d426ef90ec2af1ce7fb5d

Aliases

arxiv: 1108.5733 · arxiv_version: 1108.5733v2 · doi: 10.48550/arxiv.1108.5733 · pith_short_12: HDP2V3RRYYYW · pith_short_16: HDP2V3RRYYYWM6TG · pith_short_8: HDP2V3RR

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/HDP2V3RRYYYWM6TGBKMBK25RAG \
  | 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: 38dfaaee31c631667a660a98156bb101a3cb23f79c8d426ef90ec2af1ce7fb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddad68042926df776e1a7e2f3973d9a288dfce87e70081ccea9dce8d21fb8100",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-29T20:00:02Z",
    "title_canon_sha256": "957097ff116df7c6dd2629f656b2f1d073fcc7ebf7a0bb07cfe80790e776f440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5733",
    "kind": "arxiv",
    "version": 2
  }
}