Pith Number

pith:3DXB5ECK

pith:2001:3DXB5ECKGKGDNAKLOMIBZNP2PZ

not attested not anchored not stored refs pending

Feynman Diagrams via Graphical Calculus

Domenico Fiorenza, Riccardo Murri

arxiv:math/0106001 v2 · 2001-05-31 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DXB5ECKGKGDNAKLOMIBZNP2PZ}

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	2026-05-18T03:11:59.500567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ee1e904a328c36814b73101cb5fa7e50777f3a647cc11d0e7200028cae7ce2

Aliases

arxiv: math/0106001 · arxiv_version: math/0106001v2 · doi: 10.48550/arxiv.math/0106001 · pith_short_12: 3DXB5ECKGKGD · pith_short_16: 3DXB5ECKGKGDNAKL · pith_short_8: 3DXB5ECK

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/3DXB5ECKGKGDNAKLOMIBZNP2PZ \
  | 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: d8ee1e904a328c36814b73101cb5fa7e50777f3a647cc11d0e7200028cae7ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba49cd3ff6e0610a89d99e1f78e0e91904f7153e2e2126dfec4d4d2c4c8db0d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2001-05-31T23:53:22Z",
    "title_canon_sha256": "89eff18942cf8da30bcd318ac5977fb25546a3ad79923c28ca548ce1f9a8d575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0106001",
    "kind": "arxiv",
    "version": 2
  }
}