Pith Number

pith:JNXHTWZV

pith:2012:JNXHTWZV5TWR45H6K3P5M24NM6

not attested not anchored not stored refs pending

New Coefficients For Hopf Cyclic Cohomology

Mohammad Hassanzadeh

arxiv:1202.3312 v2 · 2012-02-15 · 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{JNXHTWZV5TWR45H6K3P5M24NM6}

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	2026-05-18T02:43:54.565378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b6e79db35eced1e74fe56dfd66b8d6786288ebe2b9b56ce0455fd64aad636af

Aliases

arxiv: 1202.3312 · arxiv_version: 1202.3312v2 · doi: 10.48550/arxiv.1202.3312 · pith_short_12: JNXHTWZV5TWR · pith_short_16: JNXHTWZV5TWR45H6 · pith_short_8: JNXHTWZV

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/JNXHTWZV5TWR45H6K3P5M24NM6 \
  | 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: 4b6e79db35eced1e74fe56dfd66b8d6786288ebe2b9b56ce0455fd64aad636af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0f82ec8d52bf61f9843147da504ed452a1221af6cd3834833692c9dda2bca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2012-02-15T14:13:42Z",
    "title_canon_sha256": "b1d16915f53c3175367ab5b604ed5eeffb2b16197def615f331af6e10b44ea26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3312",
    "kind": "arxiv",
    "version": 2
  }
}