Pith Number

pith:EWLAZWET

pith:2009:EWLAZWETKA67NI5ZCM7KIC6DC3

not attested not anchored not stored refs pending

The Evolution of AGN in Groups and Clusters

Paul Martini (The Ohio State University)

arxiv:0910.1466 v1 · 2009-10-08 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWLAZWETKA67NI5ZCM7KIC6DC3}

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	2026-05-18T02:11:25.581045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25960cd893503df6a3b9133ea40bc316c044dce80d64484fead66b690861f021

Aliases

arxiv: 0910.1466 · arxiv_version: 0910.1466v1 · doi: 10.48550/arxiv.0910.1466 · pith_short_12: EWLAZWETKA67 · pith_short_16: EWLAZWETKA67NI5Z · pith_short_8: EWLAZWET

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/EWLAZWETKA67NI5ZCM7KIC6DC3 \
  | 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: 25960cd893503df6a3b9133ea40bc316c044dce80d64484fead66b690861f021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0891b080040e639a2e6772c022e476dc2141f309afc933fc268578692b1d4a55",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-08T15:37:30Z",
    "title_canon_sha256": "342fedbf29baed83226650b4df3101511e3bdce8bdd4bd8117b0fd5d7ca93595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1466",
    "kind": "arxiv",
    "version": 1
  }
}