Pith Number

pith:XRHTKRFA

pith:2019:XRHTKRFAER47YI3INZPJ6ZGLZ7

not attested not anchored not stored refs pending

Measuring a QED cross section via a witness particle

B. Hiller, H.A.S. Costa, I. G. da Paz, Jonas B. Araujo, Marcos Sampaio

arxiv:1907.10466 v1 · 2019-07-24 · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRHTKRFAER47YI3INZPJ6ZGLZ7}

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

Regularized Compton double scattering via unitarity

Receipt and verification

First computed	2026-07-05T00:22:02.122486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4f3544a02479fc23686e5e9f64cbcfe8f492957c6ed8e7ca98ddec40cfb345

Aliases

arxiv: 1907.10466 · arxiv_version: 1907.10466v1 · doi: 10.48550/arxiv.1907.10466 · pith_short_12: XRHTKRFAER47 · pith_short_16: XRHTKRFAER47YI3I · pith_short_8: XRHTKRFA

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/XRHTKRFAER47YI3INZPJ6ZGLZ7 \
  | 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: bc4f3544a02479fc23686e5e9f64cbcfe8f492957c6ed8e7ca98ddec40cfb345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f044bf23036c0cd628d4e9ad26b9d6c68bb5869ec830c117c42b5a828458c08",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-07-24T14:33:40Z",
    "title_canon_sha256": "cdfa01031d30e63f2d15ed91b4c3da3771ba91c14a2936f7dce99a2a011c6431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10466",
    "kind": "arxiv",
    "version": 1
  }
}