Pith Number

pith:2CJHSWP4

pith:2019:2CJHSWP45W7PH46R2TTRETFUNH

not attested not anchored not stored refs pending

Higher invariants in noncommutative geometry

Guoliang Yu, Zhizhang Xie

arxiv:1905.12632 v1 · 2019-05-29 · math.KT · 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{2CJHSWP45W7PH46R2TTRETFUNH}

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	2026-05-17T23:44:41.863544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0927959fcedbef3f3d1d4e7124cb469e6a9209ee0b892b8f8964720bbf9d21e

Aliases

arxiv: 1905.12632 · arxiv_version: 1905.12632v1 · doi: 10.48550/arxiv.1905.12632 · pith_short_12: 2CJHSWP45W7P · pith_short_16: 2CJHSWP45W7PH46R · pith_short_8: 2CJHSWP4

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/2CJHSWP45W7PH46R2TTRETFUNH \
  | 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: d0927959fcedbef3f3d1d4e7124cb469e6a9209ee0b892b8f8964720bbf9d21e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f09759927027970962404b4e57727fed36b2322112f8dba1f80db3df1e36daa",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2019-05-29T14:12:53Z",
    "title_canon_sha256": "08814fd3bb72986244176da038efe938d97ef7ad7d3854c6028389176396d679"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12632",
    "kind": "arxiv",
    "version": 1
  }
}