Pith Number

pith:SGRWWDPV

pith:2015:SGRWWDPVX76KVAZNDFR5MTFU3Q

not attested not anchored not stored refs pending

Gravitational waves carrying orbital angular momentum

Iwo Bialynicki-Birula, Zofia Bialynicka-Birula

arxiv:1511.08909 v1 · 2015-11-28 · 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{SGRWWDPVX76KVAZNDFR5MTFU3Q}

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	2026-05-18T01:20:41.479993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a36b0df5bffcaa832d1963d64cb4dc36e1cd70cb7c8ad1aa6139319fe1ad44

Aliases

arxiv: 1511.08909 · arxiv_version: 1511.08909v1 · doi: 10.48550/arxiv.1511.08909 · pith_short_12: SGRWWDPVX76K · pith_short_16: SGRWWDPVX76KVAZN · pith_short_8: SGRWWDPV

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/SGRWWDPVX76KVAZNDFR5MTFU3Q \
  | 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: 91a36b0df5bffcaa832d1963d64cb4dc36e1cd70cb7c8ad1aa6139319fe1ad44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701e83135ae9c0a0b66073e56ea173e1bfa8093c6e885b131d37bb5865889bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-11-28T16:30:08Z",
    "title_canon_sha256": "8e3cfa0a2350b3243261ee9733b3532c57aafd384d6ab3f06afeebca62e23c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08909",
    "kind": "arxiv",
    "version": 1
  }
}