Pith Number

pith:CPRAQZX6

pith:2001:CPRAQZX65KF5LIALXEMWTWOHUO

not attested not anchored not stored refs pending

Tests of QED with Multi-Photonic Final States

K. Sachs

arxiv:hep-ex/0104052 v1 · 2001-04-30 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPRAQZX65KF5LIALXEMWTWOHUO}

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	2026-05-18T00:36:58.274145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e20866feea8bd5a00bb91969d9c7a3b7592ce48d729724aceabdfcd78fd078

Aliases

arxiv: hep-ex/0104052 · arxiv_version: hep-ex/0104052v1 · doi: 10.48550/arxiv.hep-ex/0104052 · pith_short_12: CPRAQZX65KF5 · pith_short_16: CPRAQZX65KF5LIAL · pith_short_8: CPRAQZX6

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/CPRAQZX65KF5LIALXEMWTWOHUO \
  | 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: 13e20866feea8bd5a00bb91969d9c7a3b7592ce48d729724aceabdfcd78fd078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff03a6212bdd5697e14e2bbc2f7cb2a252ca57b5929ad992aaeb4b548f24f3a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2001-04-30T14:58:54Z",
    "title_canon_sha256": "44afc3a3fbb3df3ed41a1109d8a9910db20aee15fd67a1cae2261edc37f96d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0104052",
    "kind": "arxiv",
    "version": 1
  }
}