Pith Number

pith:7VUDQVMF

pith:2026:7VUDQVMFU57QVTRL67YMNEPZZG

not attested not anchored not stored refs pending

Quantum graviton scattering with definite helicities in the null surface formulation, Part II: Third-order scattering and the exchange channels \author{C.~N.~Kozameh \and G.~O.~Depaola}

Carlos Kozameh, Gerardo Depaola

arxiv:2605.19764 v1 · 2026-05-19 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VUDQVMFU57QVTRL67YMNEPZZG}

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	2026-05-20T01:06:12.600341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd68385585a77f0ace2bf7f0c691f9c99df8c42438e6b9e2620906ecffc93cac

Aliases

arxiv: 2605.19764 · arxiv_version: 2605.19764v1 · doi: 10.48550/arxiv.2605.19764 · pith_short_12: 7VUDQVMFU57Q · pith_short_16: 7VUDQVMFU57QVTRL · pith_short_8: 7VUDQVMF

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/7VUDQVMFU57QVTRL67YMNEPZZG \
  | 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: fd68385585a77f0ace2bf7f0c691f9c99df8c42438e6b9e2620906ecffc93cac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ae1e6cae072ce90fdda72f3f7bf9cd76c681df01cfd57a5449e9bd16651737",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-05-19T12:38:12Z",
    "title_canon_sha256": "b3368909ad30722f231b86f49b0848d21c9b7586bf64894d18cfbf3a52bdc4bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19764",
    "kind": "arxiv",
    "version": 1
  }
}