Pith Number

pith:CRIJ5ZXB

pith:2013:CRIJ5ZXBRWLY32XJIKSFGPZD3W

not attested not anchored not stored refs pending

Binary black holes in nuclei of extragalactic radio sources

A. Caproni, A. Zensus, C. Fromm, C. Gl\"uck, J. Roland, S. Britzen

arxiv:1307.3700 v1 · 2013-07-14 · astro-ph.HE · 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{CRIJ5ZXBRWLY32XJIKSFGPZD3W}

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	2026-05-18T01:48:50.641195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14509ee6e18d978deae942a4533f23dda0a0c03e60b9aa690e277423eee60bd1

Aliases

arxiv: 1307.3700 · arxiv_version: 1307.3700v1 · doi: 10.48550/arxiv.1307.3700 · pith_short_12: CRIJ5ZXBRWLY · pith_short_16: CRIJ5ZXBRWLY32XJ · pith_short_8: CRIJ5ZXB

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/CRIJ5ZXBRWLY32XJIKSFGPZD3W \
  | 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: 14509ee6e18d978deae942a4533f23dda0a0c03e60b9aa690e277423eee60bd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a0fcfb67d54070e9240ba46bf93b4ffdb457f54e44619e72a6168b1ab080fe",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-14T05:24:25Z",
    "title_canon_sha256": "b4b8e19f0031afe89385166cd4aa885253b16b99d74953dcd00bba91ed01d1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3700",
    "kind": "arxiv",
    "version": 1
  }
}