Pith Number

pith:T6NGHNAZ

pith:2026:T6NGHNAZBC46UYUDYAIUDV2RQ7

not attested not anchored not stored refs pending

The weight of light: colliding pulses of radiation in General Relativity

Hannes R. R\"uter, Jorge Exp\'osito Pati\~no, Vitor Cardoso

arxiv:2607.15761 v1 · 2026-07-17 · 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{T6NGHNAZBC46UYUDYAIUDV2RQ7}

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	2026-07-20T01:19:08.460379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9a63b41908b9ea6283c01141d75187c79c9c586773d3f515d0e06b015f384c

Aliases

arxiv: 2607.15761 · arxiv_version: 2607.15761v1 · doi: 10.48550/arxiv.2607.15761 · pith_short_12: T6NGHNAZBC46 · pith_short_16: T6NGHNAZBC46UYUD · pith_short_8: T6NGHNAZ

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/T6NGHNAZBC46UYUDYAIUDV2RQ7 \
  | 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: 9f9a63b41908b9ea6283c01141d75187c79c9c586773d3f515d0e06b015f384c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d499774d5a47c2929ec5529b5ff75d60f3a2d17bacf24f29ca8d470686cf4a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-17T08:52:15Z",
    "title_canon_sha256": "28ed2a5e72b511f55076aeb4057f3719b09f0d47db10c4977029a8ab6d06433d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15761",
    "kind": "arxiv",
    "version": 1
  }
}