Pith Number

pith:25VWEKGD

pith:1993:25VWEKGDNCSHMQSN6ZOTUVONPY

not attested not anchored not stored refs pending

Gravitational waves in general relativity: XIV. Bondi expansions and the ``polyhomogeneity'' of \Scri

David B. Singleton, Malcolm A.H. MacCallum, Piotr T. Chrusciel

arxiv:gr-qc/9305021 v1 · 1993-05-25 · 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{25VWEKGDNCSHMQSN6ZOTUVONPY}

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

Shaving off soft hairs and the black hole image memory effect

Energy conditions in static, spherically symmetric spacetimes and effective geometries

Receipt and verification

First computed	2026-05-18T01:39:19.870948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d76b6228c368a476424df65d3a55cd7e17a0a00fb2ec6b7d53a5b7596dc00b0f

Aliases

arxiv: gr-qc/9305021 · arxiv_version: gr-qc/9305021v1 · doi: 10.48550/arxiv.gr-qc/9305021 · pith_short_12: 25VWEKGDNCSH · pith_short_16: 25VWEKGDNCSHMQSN · pith_short_8: 25VWEKGD

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/25VWEKGDNCSHMQSN6ZOTUVONPY \
  | 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: d76b6228c368a476424df65d3a55cd7e17a0a00fb2ec6b7d53a5b7596dc00b0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "502a4749ba9394b2699a53b46a42b7b0536be92a32dba97d558dbd44d892af3d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-05-25T15:54:55Z",
    "title_canon_sha256": "a71d013493729c490c27fe590ad7311063b4f7e1c62137f4c3072bf0112feb98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9305021",
    "kind": "arxiv",
    "version": 1
  }
}