Pith Number

pith:BWIFBERT

pith:2013:BWIFBERTIQWVNLP2MYICR3DXDF

not attested not anchored not stored refs pending

Isofrequency pairing of geodesic orbits in Kerr geometry

Leor Barack, Niels Warburton, Norichika Sago

arxiv:1301.3918 v2 · 2013-01-16 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWIFBERTIQWVNLP2MYICR3DXDF}

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.

Cited by

1 paper in Pith

Constants of motion and fundamental frequencies for elliptic orbits at fourth post-Newtonian order

Receipt and verification

First computed	2026-05-18T03:24:41.470861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d90509233442d56adfa661028ec771960295316b82a6873a501b3ad51b95c7e

Aliases

arxiv: 1301.3918 · arxiv_version: 1301.3918v2 · doi: 10.48550/arxiv.1301.3918 · pith_short_12: BWIFBERTIQWV · pith_short_16: BWIFBERTIQWVNLP2 · pith_short_8: BWIFBERT

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/BWIFBERTIQWVNLP2MYICR3DXDF \
  | 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: 0d90509233442d56adfa661028ec771960295316b82a6873a501b3ad51b95c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd00286013dbe99ab88a2545700fabcf695117ad89f998639391381111fa8ca",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-16T21:04:16Z",
    "title_canon_sha256": "77dccd643bc1ad073c82bd625f833cc1595da93b86ac7dff5a610d193bd4deff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3918",
    "kind": "arxiv",
    "version": 2
  }
}