Pith Number

pith:HNJJWARR

pith:2018:HNJJWARRBDIVLTCOG4SPMOGNYO

not attested not anchored not stored refs pending

Geodesic congruences, impulsive gravitational waves and gravitational memory

Hovhannes Demirchian, Martin O'Loughlin

arxiv:1808.04886 v3 · 2018-08-14 · hep-th · 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{HNJJWARRBDIVLTCOG4SPMOGNYO}

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

Displacement memory and B-memory in generalised Ellis-Bronnikov wormholes

Receipt and verification

First computed	2026-05-17T23:55:12.091676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b529b023108d155cc4e3724f638cdc3adccfafe25d482be48de88c8e0f1aef7

Aliases

arxiv: 1808.04886 · arxiv_version: 1808.04886v3 · doi: 10.48550/arxiv.1808.04886 · pith_short_12: HNJJWARRBDIV · pith_short_16: HNJJWARRBDIVLTCO · pith_short_8: HNJJWARR

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/HNJJWARRBDIVLTCOG4SPMOGNYO \
  | 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: 3b529b023108d155cc4e3724f638cdc3adccfafe25d482be48de88c8e0f1aef7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908fd551ddab7fe828c2beffe86854e0fc40879a49bbd5468cd6167f13769bfd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-08-14T20:27:20Z",
    "title_canon_sha256": "2a36fad18ede6140301a9eb7f9dfc0fba08b5a7cb45084fc50f554531d2a617b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04886",
    "kind": "arxiv",
    "version": 3
  }
}