Pith Number

pith:SJZPMXL2

pith:2017:SJZPMXL23ACKZQDWPATG4YT6NX

not attested not anchored not stored refs pending

A continuous Riemann-Hilbert problem for colliding plane gravitational waves

Reinhard Meinel, Stefan Palenta

arxiv:1701.01296 v4 · 2017-01-05 · 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{SJZPMXL23ACKZQDWPATG4YT6NX}

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	2026-05-18T00:25:27.021677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9272f65d7ad804acc07678266e627e6de24fb025d3ab220ef0000c30bb789130

Aliases

arxiv: 1701.01296 · arxiv_version: 1701.01296v4 · doi: 10.48550/arxiv.1701.01296 · pith_short_12: SJZPMXL23ACK · pith_short_16: SJZPMXL23ACKZQDW · pith_short_8: SJZPMXL2

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/SJZPMXL23ACKZQDWPATG4YT6NX \
  | 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: 9272f65d7ad804acc07678266e627e6de24fb025d3ab220ef0000c30bb789130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8091804f8126b003712b379719281f26c5815544747bc6c71829ccb71de403d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-05T12:45:33Z",
    "title_canon_sha256": "47b2c0f9e5673936613ca2378af99705325f8042238e59500707ffe556b9e150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01296",
    "kind": "arxiv",
    "version": 4
  }
}