Pith Number

pith:C4S3UC5W

pith:2011:C4S3UC5WTVIDI6O2CWUZFMBOXU

not attested not anchored not stored refs pending

Electromagnetic extraction of energy from black hole-neutron star binaries

Janna Levin, Sean T. McWilliams

arxiv:1101.1969 v1 · 2011-01-10 · astro-ph.HE · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4S3UC5WTVIDI6O2CWUZFMBOXU}

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	2026-05-18T02:03:43.278508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1725ba0bb69d503479da15a992b02ebd1e3939a721259811302b7cd87606afe3

Aliases

arxiv: 1101.1969 · arxiv_version: 1101.1969v1 · doi: 10.48550/arxiv.1101.1969 · pith_short_12: C4S3UC5WTVID · pith_short_16: C4S3UC5WTVIDI6O2 · pith_short_8: C4S3UC5W

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/C4S3UC5WTVIDI6O2CWUZFMBOXU \
  | 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: 1725ba0bb69d503479da15a992b02ebd1e3939a721259811302b7cd87606afe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d713219eb1de23a9f595b255c3e566e7c9ccc234826bdb9257187d6827088c40",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-10T21:06:11Z",
    "title_canon_sha256": "30e8dbfea0bf9052c5dfb816bcf91e182737b7bbd271eaa79a130356da5bf475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1969",
    "kind": "arxiv",
    "version": 1
  }
}