Pith Number

pith:2C7QBHMU

pith:1995:2C7QBHMU64GKTCOPYO6ZJV6RS6

not attested not anchored not stored refs pending

Colliding Gravitational Plane Waves in Dilaton Gravity

Emre Sermutlu, Metin Gurses

arxiv:hep-th/9503218 v1 · 1995-03-30 · 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{2C7QBHMU64GKTCOPYO6ZJV6RS6}

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	2026-05-18T04:38:05.343576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0bf009d94f70ca989cfc3bd94d7d19797dc00817fc92a86843b740c42a0ff79

Aliases

arxiv: hep-th/9503218 · arxiv_version: hep-th/9503218v1 · doi: 10.48550/arxiv.hep-th/9503218 · pith_short_12: 2C7QBHMU64GK · pith_short_16: 2C7QBHMU64GKTCOP · pith_short_8: 2C7QBHMU

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/2C7QBHMU64GKTCOPYO6ZJV6RS6 \
  | 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: d0bf009d94f70ca989cfc3bd94d7d19797dc00817fc92a86843b740c42a0ff79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2390ad2e95504b7bd02663dd118ad4b7195232bc62aefab85bb14757d800c086",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-03-30T06:18:50Z",
    "title_canon_sha256": "968997e9f2dae9ed2f8ef2f0ca493bdf5da2737ecb45ee11fa3934f62e5717d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9503218",
    "kind": "arxiv",
    "version": 1
  }
}