Pith Number

pith:IZTZZT6J

pith:2018:IZTZZT6J7PCTONAVOZWJUXFVGB

not attested not anchored not stored refs pending

Hopf cocycle deformations and invariant theory

Ehud Meir

arxiv:1804.00289 v2 · 2018-04-01 · 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{IZTZZT6J7PCTONAVOZWJUXFVGB}

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	2026-05-17T23:49:43.944047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46679ccfc9fbc5373415766c9a5cb5305f372cd1c0f651242beb3e5cae5c5d41

Aliases

arxiv: 1804.00289 · arxiv_version: 1804.00289v2 · doi: 10.48550/arxiv.1804.00289 · pith_short_12: IZTZZT6J7PCT · pith_short_16: IZTZZT6J7PCTONAV · pith_short_8: IZTZZT6J

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/IZTZZT6J7PCTONAVOZWJUXFVGB \
  | 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: 46679ccfc9fbc5373415766c9a5cb5305f372cd1c0f651242beb3e5cae5c5d41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf086a308b01912966a2e09d118a6eed2521e023af5b23c6ab6889371e5010d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-04-01T12:28:20Z",
    "title_canon_sha256": "b3f0577ec22f20bbb236206548149d37dbc92b84f0f026486ecccc09be53b4e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00289",
    "kind": "arxiv",
    "version": 2
  }
}