Pith Number

pith:FE4NYQSQ

pith:2017:FE4NYQSQC4DRZITOFDHXRQGVQP

not attested not anchored not stored refs pending

Sto\"ilow's theorem revisited

Pekka Pankka, Rami Luisto

arxiv:1701.05726 v2 · 2017-01-20 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FE4NYQSQC4DRZITOFDHXRQGVQP}

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	2026-05-17T23:49:57.608124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2938dc425017071ca26e28cf78c0d583fcff90b9c9135644fafd63110452e810

Aliases

arxiv: 1701.05726 · arxiv_version: 1701.05726v2 · doi: 10.48550/arxiv.1701.05726 · pith_short_12: FE4NYQSQC4DR · pith_short_16: FE4NYQSQC4DRZITO · pith_short_8: FE4NYQSQ

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/FE4NYQSQC4DRZITOFDHXRQGVQP \
  | 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: 2938dc425017071ca26e28cf78c0d583fcff90b9c9135644fafd63110452e810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c87190be4107612c4bb02d73b4f1980839c7cafd8546713817423c2e67c8ec87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-20T09:01:19Z",
    "title_canon_sha256": "f62baf44fa25cae650c28465714aa06293f14ae3304e0274b02ac4f683043830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05726",
    "kind": "arxiv",
    "version": 2
  }
}