Pith Number

pith:EM4E6NRT

pith:2012:EM4E6NRTEGUDFHEBWBN6BX5V6R

not attested not anchored not stored refs pending

Fresh Activity in Old Systems: Radio AGN in Fossil Groups of Galaxies

Eric M. Wilcots, Kelley M. Hess, Victoria L. Hartwick

arxiv:1206.2679 v1 · 2012-06-12 · 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{EM4E6NRTEGUDFHEBWBN6BX5V6R}

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	2026-05-18T01:56:59.206964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23384f363321a8329c81b05be0dfb5f465ae848adbbab355ba84392fe00b24a3

Aliases

arxiv: 1206.2679 · arxiv_version: 1206.2679v1 · doi: 10.48550/arxiv.1206.2679 · pith_short_12: EM4E6NRTEGUD · pith_short_16: EM4E6NRTEGUDFHEB · pith_short_8: EM4E6NRT

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/EM4E6NRTEGUDFHEBWBN6BX5V6R \
  | 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: 23384f363321a8329c81b05be0dfb5f465ae848adbbab355ba84392fe00b24a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b5d0bf733f0cd5b5d7a14bcaffa43a7043c1b0942d1d324536ec9f385e7011",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-12T21:53:47Z",
    "title_canon_sha256": "4c4175654bd5d96bf90faf79096aa13216e698ccefcce3f32039b85c3e69b5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2679",
    "kind": "arxiv",
    "version": 1
  }
}