Pith Number

pith:4FAYP4TW

pith:2013:4FAYP4TWSOTLFY5EYMOMI5VRO4

not attested not anchored not stored refs pending

Convergence of normal form transformations: The role of symmetries

G. Cicogna, S. Walcher

arxiv:1309.4233 v1 · 2013-09-17 · math-ph · 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{4FAYP4TWSOTLFY5EYMOMI5VRO4}

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	2026-05-18T03:13:09.213497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14187f27693a6b2e3a4c31cc476b1770c0963adf1bc224b28b9cc48f45ee417

Aliases

arxiv: 1309.4233 · arxiv_version: 1309.4233v1 · doi: 10.48550/arxiv.1309.4233 · pith_short_12: 4FAYP4TWSOTL · pith_short_16: 4FAYP4TWSOTLFY5E · pith_short_8: 4FAYP4TW

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/4FAYP4TWSOTLFY5EYMOMI5VRO4 \
  | 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: e14187f27693a6b2e3a4c31cc476b1770c0963adf1bc224b28b9cc48f45ee417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f453e07aed6abeb3a8d58353736add04ff5173b540e6415a995501404fc83f56",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-17T09:03:08Z",
    "title_canon_sha256": "aeb57f7ddbe060ae6dce8d264bb3b137cd9ef66d60941869a03816998416108e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4233",
    "kind": "arxiv",
    "version": 1
  }
}