Pith Number

pith:L3ZF73KD

pith:2015:L3ZF73KDESVW3I5PJZAIOEOFGG

not attested not anchored not stored refs pending

Topics in Noncommutative Geometry

Francesco D'Andrea

arxiv:1510.07271 v1 · 2015-10-25 · 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{L3ZF73KDESVW3I5PJZAIOEOFGG}

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	2026-05-18T01:29:14.506929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ef25fed4324ab6da3af4e408711c531b5ad3ecd2152b47e41f79370a059ff80

Aliases

arxiv: 1510.07271 · arxiv_version: 1510.07271v1 · doi: 10.48550/arxiv.1510.07271 · pith_short_12: L3ZF73KDESVW · pith_short_16: L3ZF73KDESVW3I5P · pith_short_8: L3ZF73KD

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/L3ZF73KDESVW3I5PJZAIOEOFGG \
  | 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: 5ef25fed4324ab6da3af4e408711c531b5ad3ecd2152b47e41f79370a059ff80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae36ec30f60fef829fdaad7ef5a38dc5368a4053ae57ecd023d77e6e529fe8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-10-25T17:24:52Z",
    "title_canon_sha256": "33ab6434e086bc430706b1585dc5c78314f6bd70cceaf5fe34739104bd5871cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07271",
    "kind": "arxiv",
    "version": 1
  }
}