Pith Number

pith:4HUY3QEW

pith:2017:4HUY3QEWIKTALFOM2AZDVOWS6M

not attested not anchored not stored refs pending

Local cohomology associated to the radical of a group action on a noetherian algebra

Jiwei He, Yinhuo Zhang

arxiv:1712.00657 v1 · 2017-12-02 · 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{4HUY3QEWIKTALFOM2AZDVOWS6M}

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	2026-05-18T00:29:02.272966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e98dc09642a60595ccd0323abad2f319811fba21d004a1eb2e5676b6c09210

Aliases

arxiv: 1712.00657 · arxiv_version: 1712.00657v1 · doi: 10.48550/arxiv.1712.00657 · pith_short_12: 4HUY3QEWIKTA · pith_short_16: 4HUY3QEWIKTALFOM · pith_short_8: 4HUY3QEW

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/4HUY3QEWIKTALFOM2AZDVOWS6M \
  | 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: e1e98dc09642a60595ccd0323abad2f319811fba21d004a1eb2e5676b6c09210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb6069839f272c6b9f9bde052433599bb3a6417ec1000b517ee28a9673c598f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-12-02T19:12:46Z",
    "title_canon_sha256": "b3890e7dd0802f14c04ca88091e0a57acedbfe565fa49878bf8f473abbb3793d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00657",
    "kind": "arxiv",
    "version": 1
  }
}