Pith Number

pith:ENQE3CKP

pith:2011:ENQE3CKPVEPVSY5TIXKUSWKLHN

not attested not anchored not stored refs pending

A merger mystery: no extended radio emission in the merging cluster Abell 2146

A.C. Edge, A.C. Fabian, B.R. McNamara, C.P. O'Dea, H.R. Russell, J.S. Sanders, M. Donahue, R.E.A. Canning, R.J. van Weeren, S.A. Baum

arxiv:1105.0435 v2 · 2011-05-02 · 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{ENQE3CKPVEPVSY5TIXKUSWKLHN}

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	2026-05-18T02:02:10.028345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23604d894fa91f5963b345d549594b3b521dd024d5e8b4e4c93ff04f0e01cd59

Aliases

arxiv: 1105.0435 · arxiv_version: 1105.0435v2 · doi: 10.48550/arxiv.1105.0435 · pith_short_12: ENQE3CKPVEPV · pith_short_16: ENQE3CKPVEPVSY5T · pith_short_8: ENQE3CKP

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/ENQE3CKPVEPVSY5TIXKUSWKLHN \
  | 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: 23604d894fa91f5963b345d549594b3b521dd024d5e8b4e4c93ff04f0e01cd59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d563221ebfd4944bf89f64c90b82a1f2a11ded9f0ffa235a0470568d4babe6da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-02T20:35:07Z",
    "title_canon_sha256": "04d481fd635871e71991beadd983a7e7d1f7fe9ba8e699f64c04b029f07164d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0435",
    "kind": "arxiv",
    "version": 2
  }
}