Pith Number

pith:I3RQOR3G

pith:2017:I3RQOR3GBD6ASU3VY4TOHU3D3C

not attested not anchored not stored refs pending

Cohomology for partial actions of Hopf algebras

Alda D.M. Mortari, Eliezer Batista, Mateus M. Teixeira

arxiv:1709.03910 v3 · 2017-09-12 · math.RA · 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{I3RQOR3GBD6ASU3VY4TOHU3D3C}

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	2026-05-18T00:00:43.720745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e307476608fc095375c726e3d363d8bec9b7ac4604f9d9ac3d1db4683a9731

Aliases

arxiv: 1709.03910 · arxiv_version: 1709.03910v3 · doi: 10.48550/arxiv.1709.03910 · pith_short_12: I3RQOR3GBD6A · pith_short_16: I3RQOR3GBD6ASU3V · pith_short_8: I3RQOR3G

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/I3RQOR3GBD6ASU3VY4TOHU3D3C \
  | 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: 46e307476608fc095375c726e3d363d8bec9b7ac4604f9d9ac3d1db4683a9731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d023d68426a5b8f3c7a9936a7a7630b8002564618acdcb1611ac44220e3190",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-09-12T15:29:26Z",
    "title_canon_sha256": "7baee53ebf5f77ea5ffddb41fc4f09c794506e52a34ceda2a0fe8db2eeaf9814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03910",
    "kind": "arxiv",
    "version": 3
  }
}