Pith Number

pith:WOVU4LVO

pith:2016:WOVU4LVODTPJKXPW33X7J2DMZN

not attested not anchored not stored refs pending

A curious differential calculus on the quantum disc and cones

Ludwik D\k{a}browski, Tomasz Brzezi\'nski

arxiv:1611.03434 v1 · 2016-11-10 · 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{WOVU4LVODTPJKXPW33X7J2DMZN}

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	2026-05-18T00:59:35.274390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ab4e2eae1cde955df6deeff4e86ccb7f40e9f547593cdde9bbe677830e17a6

Aliases

arxiv: 1611.03434 · arxiv_version: 1611.03434v1 · doi: 10.48550/arxiv.1611.03434 · pith_short_12: WOVU4LVODTPJ · pith_short_16: WOVU4LVODTPJKXPW · pith_short_8: WOVU4LVO

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/WOVU4LVODTPJKXPW33X7J2DMZN \
  | 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: b3ab4e2eae1cde955df6deeff4e86ccb7f40e9f547593cdde9bbe677830e17a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad31e48466553e8a69419137f529fd41af7136eb9231ca74cfc71949a0a76c28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-11-10T18:17:14Z",
    "title_canon_sha256": "24d52bc0c2ccbf94a81396ce7014256687ea15d83d46c5df0661f449442e9fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03434",
    "kind": "arxiv",
    "version": 1
  }
}