Pith Number

pith:CVBJOVG5

pith:2014:CVBJOVG5G7SZFWI7VYSLXA4QCP

not attested not anchored not stored refs pending

Spectral Sequences for the Cohomology Rings of a Smash Product

Cris Negron

arxiv:1401.3551 v2 · 2014-01-15 · math.KT · math.QA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVBJOVG5G7SZFWI7VYSLXA4QCP}

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	2026-05-18T02:51:48.419508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15429754dd37e592d91fae24bb839013ccf87e6975d2fb095d66bc38f4be86f9

Aliases

arxiv: 1401.3551 · arxiv_version: 1401.3551v2 · doi: 10.48550/arxiv.1401.3551 · pith_short_12: CVBJOVG5G7SZ · pith_short_16: CVBJOVG5G7SZFWI7 · pith_short_8: CVBJOVG5

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/CVBJOVG5G7SZFWI7VYSLXA4QCP \
  | 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: 15429754dd37e592d91fae24bb839013ccf87e6975d2fb095d66bc38f4be86f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467578336022cac65e466f9e85bd9ef2c1545b3d2167efd98e26b796a608dd2c",
    "cross_cats_sorted": [
      "math.QA",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-01-15T11:37:17Z",
    "title_canon_sha256": "26432e2cf5ce310a3d6df50b5995ca1869acf0bba42f791e6de89e40489d9d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3551",
    "kind": "arxiv",
    "version": 2
  }
}