Pith Number

pith:NYJMR533

pith:1998:NYJMR533DDMJGH6TMA5IVAS6I4

not attested not anchored not stored refs pending

Feynman's proper time approach to QED

Edgardo T. Garcia Alvarez, Fabian H. Gaioli

arxiv:hep-th/9807132 v1 · 1998-07-17 · 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{NYJMR533DDMJGH6TMA5IVAS6I4}

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	2026-05-18T04:24:15.562736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e12c8f77b18d8931fd3603a8a825e4721860b8a72e616fabe95e0de8b9706ac

Aliases

arxiv: hep-th/9807132 · arxiv_version: hep-th/9807132v1 · doi: 10.48550/arxiv.hep-th/9807132 · pith_short_12: NYJMR533DDMJ · pith_short_16: NYJMR533DDMJGH6T · pith_short_8: NYJMR533

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/NYJMR533DDMJGH6TMA5IVAS6I4 \
  | 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: 6e12c8f77b18d8931fd3603a8a825e4721860b8a72e616fabe95e0de8b9706ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68aa579f47d52678039fc185cc09173b3b613a414f5982a4552e98c8613251b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-07-17T22:29:53Z",
    "title_canon_sha256": "39bdce4affa3ef7d3430bc658ed3b7e09c407b35797780c86a819433fe67cbf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9807132",
    "kind": "arxiv",
    "version": 1
  }
}