Pith Number

pith:W34KHSQI

pith:2018:W34KHSQICA7M3ME6SB4GJB3NBK

not attested not anchored not stored refs pending

Persistent gravitational wave observables: general framework

Abraham I. Harte, Alexander M. Grant, David A. Nichols, \'Eanna \'E. Flanagan

arxiv:1901.00021 v4 · 2018-12-31 · 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{W34KHSQICA7M3ME6SB4GJB3NBK}

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

2 papers in Pith

Constraining Gravitational Wave Memory with Hierarchical Inference

Gravitational Memory from Hairy Binary Black Hole Mergers

Receipt and verification

First computed	2026-07-05T04:17:32.953331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f8a3ca08103ecdb09e907864876d0ab8b7e5239e9972b477228a13446afb9b

Aliases

arxiv: 1901.00021 · arxiv_version: 1901.00021v4 · doi: 10.48550/arxiv.1901.00021 · pith_short_12: W34KHSQICA7M · pith_short_16: W34KHSQICA7M3ME6 · pith_short_8: W34KHSQI

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/W34KHSQICA7M3ME6SB4GJB3NBK \
  | 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: b6f8a3ca08103ecdb09e907864876d0ab8b7e5239e9972b477228a13446afb9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c281f40d35d50f80a4c87e5153ff14ed173a73a74cbba87e81f37982b2796ccb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-31T19:00:51Z",
    "title_canon_sha256": "240ad878c68999b95ab12f808b9e0b5e94fac4db549977a18b79fdb80a39093b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00021",
    "kind": "arxiv",
    "version": 4
  }
}