Pith Number

pith:YZO4TC4P

pith:2019:YZO4TC4P5TNL5U4KGUGT4OPM7S

not attested not anchored not stored refs pending

The cb-norm approximation of generalized skew derivations by elementary operators

Ilja Gogi\'c

arxiv:1906.05548 v3 · 2019-06-13 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZO4TC4P5TNL5U4KGUGT4OPM7S}

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	2026-05-17T23:41:21.606580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65dc98b8fecdabed38a350d3e39ecfcbadf4fe7f97e78d75bf1d46e264226f5

Aliases

arxiv: 1906.05548 · arxiv_version: 1906.05548v3 · doi: 10.48550/arxiv.1906.05548 · pith_short_12: YZO4TC4P5TNL · pith_short_16: YZO4TC4P5TNL5U4K · pith_short_8: YZO4TC4P

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/YZO4TC4P5TNL5U4KGUGT4OPM7S \
  | 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: c65dc98b8fecdabed38a350d3e39ecfcbadf4fe7f97e78d75bf1d46e264226f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "febbc1826958df16399b33b3008beb0548e21ded24b3b83f06a0da6055f008e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-06-13T08:40:19Z",
    "title_canon_sha256": "06dc8a2202270c6744aabbe71f637a4a88b470af6fa5881f2ddc88c59fce6052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05548",
    "kind": "arxiv",
    "version": 3
  }
}