Pith Number

pith:RDG2FLBZ

pith:2017:RDG2FLBZIRX7MNUQHPU2SRSL4X

not attested not anchored not stored refs pending

Second mod $2$ homology of Artin groups

Toshiyuki Akita, Ye Liu

arxiv:1702.03585 v1 · 2017-02-12 · math.AT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDG2FLBZIRX7MNUQHPU2SRSL4X}

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	2026-05-18T00:20:56.716245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cda2ac39446ff636903be9a9464be5f90369f5d757838c23883a73d15fb59c

Aliases

arxiv: 1702.03585 · arxiv_version: 1702.03585v1 · doi: 10.48550/arxiv.1702.03585 · pith_short_12: RDG2FLBZIRX7 · pith_short_16: RDG2FLBZIRX7MNUQ · pith_short_8: RDG2FLBZ

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/RDG2FLBZIRX7MNUQHPU2SRSL4X \
  | 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: 88cda2ac39446ff636903be9a9464be5f90369f5d757838c23883a73d15fb59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3001332350b32ff1080dae829404dfe1114d426677e3e15c32441fe6f82701e",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-02-12T22:40:00Z",
    "title_canon_sha256": "596059476ce8c33f3f9346dd3ccf128d970c84dbeeedd8d8b8bb4dff5551ea82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03585",
    "kind": "arxiv",
    "version": 1
  }
}