Pith Number

pith:N6RBCSKW

pith:2015:N6RBCSKWTVGCDUDBKTBUDX3GHV

not attested not anchored not stored refs pending

Topological Hopf algebras and their Hopf-cyclic cohomology

Bahram Rangipour, Serkan S\"utl\"u

arxiv:1504.06834 v5 · 2015-04-26 · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6RBCSKWTVGCDUDBKTBUDX3GHV}

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	2026-05-18T00:09:42.565225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa21149569d4c21d06154c341df663d765990ea2035bb0c2b4b8d071fc86223

Aliases

arxiv: 1504.06834 · arxiv_version: 1504.06834v5 · doi: 10.48550/arxiv.1504.06834 · pith_short_12: N6RBCSKWTVGC · pith_short_16: N6RBCSKWTVGCDUDB · pith_short_8: N6RBCSKW

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/N6RBCSKWTVGCDUDBKTBUDX3GHV \
  | 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: 6fa21149569d4c21d06154c341df663d765990ea2035bb0c2b4b8d071fc86223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfaff42c3639efd9a4e2f6497f97a81b58022e6855e36a2c6743e15fcaee6cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-04-26T14:51:53Z",
    "title_canon_sha256": "6d017ab596f7027cc68b6e27ea1b46b0b18515d109bce0d83f0bc70d1734fb1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06834",
    "kind": "arxiv",
    "version": 5
  }
}