Pith Number

pith:FKE3GP3N

pith:2017:FKE3GP3NGJRFTPGW6ST4J6IVI5

not attested not anchored not stored refs pending

On topological classification of finite cyclic actions on bordered surfaces

B{\l}a\.zej Szepietowski, Grzegorz Gromadzki, Susumu Hirose

arxiv:1702.02342 v1 · 2017-02-08 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKE3GP3NGJRFTPGW6ST4J6IVI5}

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	2026-05-18T00:51:06.181932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a89b33f6d326259bcd6f4a7c4f915474860f99e33d4e1f713ded9d0c21a511a

Aliases

arxiv: 1702.02342 · arxiv_version: 1702.02342v1 · doi: 10.48550/arxiv.1702.02342 · pith_short_12: FKE3GP3NGJRF · pith_short_16: FKE3GP3NGJRFTPGW · pith_short_8: FKE3GP3N

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/FKE3GP3NGJRFTPGW6ST4J6IVI5 \
  | 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: 2a89b33f6d326259bcd6f4a7c4f915474860f99e33d4e1f713ded9d0c21a511a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9152beabbc8f721f697cdee06127b30177e53aa4d7fa067a96901ffa877021",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-02-08T09:41:19Z",
    "title_canon_sha256": "2d30fdc862c5182a0f2a2c09a29dd55da0da293761503fc404f26cfe8c3eeac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02342",
    "kind": "arxiv",
    "version": 1
  }
}