Pith Number

pith:GS4NI2DT

pith:2026:GS4NI2DTY3HUAA7ZT72JDQBVNN

not attested not anchored not stored refs pending

Extended parameterized spin expansion formalism for ringdown analysis with GW250114

Jia-Ning Chen, Liang-Bi Wu, Zong-Kuan Guo

arxiv:2606.22580 v1 · 2026-06-21 · 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{GS4NI2DTY3HUAA7ZT72JDQBVNN}

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	2026-06-23T02:13:42.131564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b8d46873c6cf4003f99ff491c0356b7266346c7fb4fb6e3dc5ff9488017c91

Aliases

arxiv: 2606.22580 · arxiv_version: 2606.22580v1 · doi: 10.48550/arxiv.2606.22580 · pith_short_12: GS4NI2DTY3HU · pith_short_16: GS4NI2DTY3HUAA7Z · pith_short_8: GS4NI2DT

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/GS4NI2DTY3HUAA7ZT72JDQBVNN \
  | 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: 34b8d46873c6cf4003f99ff491c0356b7266346c7fb4fb6e3dc5ff9488017c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5a350230c967f79680aeab0ad5264cebe1dc4f5d25cdb29356be32f9460245e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-21T16:33:05Z",
    "title_canon_sha256": "d798284d293ee5101afc5c2345afbe02176c037a1fc649d0f500e6e585dd7f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22580",
    "kind": "arxiv",
    "version": 1
  }
}