Pith Number

pith:25V6DA67

pith:2012:25V6DA67V4XLJU6W233PTNUVD2

not attested not anchored not stored refs pending

The Lifetime and Powers of FR IIs in Galaxy Clusters

Joe Antognini, Jonathan Bird, Paul Martini

arxiv:1204.3896 v2 · 2012-04-17 · 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{25V6DA67V4XLJU6W233PTNUVD2}

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	2026-05-18T01:57:51.372801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d76be183dfaf2eb4d3d6d6f6f9b6951eb822ccf31a70d14139f211f12f628696

Aliases

arxiv: 1204.3896 · arxiv_version: 1204.3896v2 · doi: 10.48550/arxiv.1204.3896 · pith_short_12: 25V6DA67V4XL · pith_short_16: 25V6DA67V4XLJU6W · pith_short_8: 25V6DA67

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/25V6DA67V4XLJU6W233PTNUVD2 \
  | 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: d76be183dfaf2eb4d3d6d6f6f9b6951eb822ccf31a70d14139f211f12f628696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a99acf7b022cd5125b89ca03f73b0b2b1bcca586f4e0e49b89d46b40dae343",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-17T20:00:02Z",
    "title_canon_sha256": "4c55e3495b5070fabf8dd630ffcb6793144cbc629a9e83b7fe3b2453d6ae0e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3896",
    "kind": "arxiv",
    "version": 2
  }
}