Pith Number

pith:UH2MS4UB

pith:2016:UH2MS4UBF3BBP7XDLZIG6VP3JK

not attested not anchored not stored refs pending

Diffeomorphisms of quantum fields

Dirk Kreimer, Karen Yeats

arxiv:1610.01837 v3 · 2016-10-06 · math-ph · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UH2MS4UBF3BBP7XDLZIG6VP3JK}

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	2026-05-18T00:43:59.859771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1f4c972812ec217fee35e506f55fb4a81b9e53a6de351fb0d693624f754803f

Aliases

arxiv: 1610.01837 · arxiv_version: 1610.01837v3 · doi: 10.48550/arxiv.1610.01837 · pith_short_12: UH2MS4UBF3BB · pith_short_16: UH2MS4UBF3BBP7XD · pith_short_8: UH2MS4UB

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/UH2MS4UBF3BBP7XDLZIG6VP3JK \
  | 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: a1f4c972812ec217fee35e506f55fb4a81b9e53a6de351fb0d693624f754803f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48fd94c65492ac2bbbee96c41a904503793a27f5940819600f481a3f5dcb4908",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-10-06T12:19:35Z",
    "title_canon_sha256": "d0c320d54f1f24108196c9e07f83b5979e06ee0503b9ef7ae0b2505d9cbef71c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01837",
    "kind": "arxiv",
    "version": 3
  }
}