Pith Number

pith:EUR75WIZ

pith:2021:EUR75WIZQGKCSREM67IFEIWCWE

not attested not anchored not stored refs pending

Gauge structure of the Einstein field equations in Bondi-like coordinates

David Hilditch, Denis Pollney, Miguel Zilhao, Nigel T. Bishop, Thanasis Giannakopoulos

arxiv:2111.14794 v2 · 2021-11-29 · 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{EUR75WIZQGKCSREM67IFEIWCWE}

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

3d Summation-by-Parts scheme for Linear Wave Equations on Hyperboloidal Slices

Receipt and verification

First computed	2026-07-05T04:19:22.866313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2523fed919819429448cf7d05222c2b108b983402a721ec852b1c7a7402499e7

Aliases

arxiv: 2111.14794 · arxiv_version: 2111.14794v2 · doi: 10.48550/arxiv.2111.14794 · pith_short_12: EUR75WIZQGKC · pith_short_16: EUR75WIZQGKCSREM · pith_short_8: EUR75WIZ

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/EUR75WIZQGKCSREM67IFEIWCWE \
  | 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: 2523fed919819429448cf7d05222c2b108b983402a721ec852b1c7a7402499e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47cda079fbbc7f81ce6cce526077a909ff46f344edfdf5c30e1e430eac6c43b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-29T18:48:01Z",
    "title_canon_sha256": "2cb1c928d54e979b49ed693737022b3560570cd3b254dc406b35136557b1d457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14794",
    "kind": "arxiv",
    "version": 2
  }
}