Pith Number

pith:77YYWDCR

pith:2014:77YYWDCR4ZIMCSPY4J4OFVOSHI

not attested not anchored not stored refs pending

Connes' calculus for The Quantum double suspension

Partha Sarathi Chakraborty, Satyajit Guin

arxiv:1404.2708 v1 · 2014-04-10 · math.QA · 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{77YYWDCR4ZIMCSPY4J4OFVOSHI}

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	2026-05-18T02:54:28.726240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff18b0c51e650c149f8e278e2d5d23a1f7ab9e97ed8912b6a535142fb508694

Aliases

arxiv: 1404.2708 · arxiv_version: 1404.2708v1 · doi: 10.48550/arxiv.1404.2708 · pith_short_12: 77YYWDCR4ZIM · pith_short_16: 77YYWDCR4ZIMCSPY · pith_short_8: 77YYWDCR

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/77YYWDCR4ZIMCSPY4J4OFVOSHI \
  | 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: fff18b0c51e650c149f8e278e2d5d23a1f7ab9e97ed8912b6a535142fb508694

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43c9f6f51f5d9e4a808c00ff1c65b4c05b89a928464c56cca1e4f98ed077c7a9",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2014-04-10T07:00:26Z",
    "title_canon_sha256": "598c2aa379c43bc9da76a0e433b0bf75b3df0c97c8b2003f659c85674c4f80ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2708",
    "kind": "arxiv",
    "version": 1
  }
}