Pith Number

pith:ITYQ4RWK

pith:2017:ITYQ4RWKFLSUD465ZSBQZ3TVE2

not attested not anchored not stored refs pending

Relative cohomology theory for profinite groups

Gareth Wilkes

arxiv:1710.00730 v1 · 2017-10-02 · math.GR · math.GT · 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{ITYQ4RWKFLSUD465ZSBQZ3TVE2}

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	2026-05-18T00:33:53.921655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f10e46ca2ae541f3ddcc830cee7526bc4838c7000031a9feef731ad48034be

Aliases

arxiv: 1710.00730 · arxiv_version: 1710.00730v1 · doi: 10.48550/arxiv.1710.00730 · pith_short_12: ITYQ4RWKFLSU · pith_short_16: ITYQ4RWKFLSUD465 · pith_short_8: ITYQ4RWK

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/ITYQ4RWKFLSUD465ZSBQZ3TVE2 \
  | 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: 44f10e46ca2ae541f3ddcc830cee7526bc4838c7000031a9feef731ad48034be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a8b9081d1e505ad11a1d25a4f45aa439858388eb3c9093a209c266d2465205b",
    "cross_cats_sorted": [
      "math.GT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-10-02T15:47:31Z",
    "title_canon_sha256": "efc0cbf0bf9951934db135d667f54ddeb5cd4b7f95a706b6c115b525881c81f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00730",
    "kind": "arxiv",
    "version": 1
  }
}