Pith Number

pith:E7XWVSHM

pith:2013:E7XWVSHMHMV7LFGCEYAKVXP25S

not attested not anchored not stored refs pending

Hidden Momentum and Black Hole Kicks

Frank Herrmann, Samuel E. Gralla

arxiv:1303.7456 v2 · 2013-03-29 · gr-qc · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7XWVSHMHMV7LFGCEYAKVXP25S}

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	2026-05-18T01:50:50.975476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ef6ac8ec3b2bf594c22600aaddfaecacbd7d2349f123821583a3d281196526

Aliases

arxiv: 1303.7456 · arxiv_version: 1303.7456v2 · doi: 10.48550/arxiv.1303.7456 · pith_short_12: E7XWVSHMHMV7 · pith_short_16: E7XWVSHMHMV7LFGC · pith_short_8: E7XWVSHM

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/E7XWVSHMHMV7LFGCEYAKVXP25S \
  | 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: 27ef6ac8ec3b2bf594c22600aaddfaecacbd7d2349f123821583a3d281196526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33be065035d2a94cf9e74baad0d14b5fb6d8fa4771b92fd351204dfe3c5f90f1",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-29T18:37:08Z",
    "title_canon_sha256": "ae4c75db967b0287766bf7f1e79f59961d1cdeda4d5aaede95c6d392c1b0d3fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7456",
    "kind": "arxiv",
    "version": 2
  }
}