Pith Number

pith:SMSQUC54

pith:1995:SMSQUC54CWTXHVFDVFQVHE2HD3

not attested not anchored not stored refs pending

A Technique for generating Feynman Diagrams

Henri Verschelde, Sigurd Schelstraete

arxiv:hep-th/9502019 v1 · 1995-02-03 · 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{SMSQUC54CWTXHVFDVFQVHE2HD3}

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	2026-05-18T01:06:03.486428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93250a0bbc15a773d4a3a9615393471ec479d35b4b264980e7d48a5c08273e5a

Aliases

arxiv: hep-th/9502019 · arxiv_version: hep-th/9502019v1 · doi: 10.48550/arxiv.hep-th/9502019 · pith_short_12: SMSQUC54CWTX · pith_short_16: SMSQUC54CWTXHVFD · pith_short_8: SMSQUC54

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/SMSQUC54CWTXHVFDVFQVHE2HD3 \
  | 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: 93250a0bbc15a773d4a3a9615393471ec479d35b4b264980e7d48a5c08273e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f627a75b733055b12ad5bf84574c8ff3d024b92a55bb65813abf2a56009ca50d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-02-03T09:31:44Z",
    "title_canon_sha256": "d305c1e325627341c41ab8932881898c23d0859af8aceb1f3f24d0ae9c007155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9502019",
    "kind": "arxiv",
    "version": 1
  }
}