Pith Number

pith:FTXOQZFQ

pith:2014:FTXOQZFQYRW6VBZPBOCGHVUTAY

not attested not anchored not stored refs pending

Generalized Coefficients for Hopf Cyclic Cohomology

Bahram Rangipour, Dan Kucerovsky, Mohammad Hassanzadeh

arxiv:1408.5540 v2 · 2014-08-24 · math.KT · 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{FTXOQZFQYRW6VBZPBOCGHVUTAY}

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	2026-05-18T02:43:53.560379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ceee864b0c46dea872f0b8463d69306034df771f141885bf32c81ab33cd3c13

Aliases

arxiv: 1408.5540 · arxiv_version: 1408.5540v2 · doi: 10.48550/arxiv.1408.5540 · pith_short_12: FTXOQZFQYRW6 · pith_short_16: FTXOQZFQYRW6VBZP · pith_short_8: FTXOQZFQ

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/FTXOQZFQYRW6VBZPBOCGHVUTAY \
  | 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: 2ceee864b0c46dea872f0b8463d69306034df771f141885bf32c81ab33cd3c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaf69df61008cba7389be5491f56a25f37307a8da9429080878e50455780dfc4",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-08-24T00:55:00Z",
    "title_canon_sha256": "e21a80c075fead81e16f50a254fd19b5718758881d8855154f2de7e9692ae129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5540",
    "kind": "arxiv",
    "version": 2
  }
}