Pith Number

pith:UIE6ZA2Z

pith:2014:UIE6ZA2Z7WMPOSHFW3VC6X5X7T

not attested not anchored not stored refs pending

Cork twisting Schoenflies problem

Selman Akbulut

arxiv:1406.6803 v1 · 2014-06-26 · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIE6ZA2Z7WMPOSHFW3VC6X5X7T}

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	2026-05-18T02:48:55.821333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a209ec8359fd98f748e5b6ea2f5fb7fcdd54cbbf4a1448f0e512fe3953a922f0

Aliases

arxiv: 1406.6803 · arxiv_version: 1406.6803v1 · doi: 10.48550/arxiv.1406.6803 · pith_short_12: UIE6ZA2Z7WMP · pith_short_16: UIE6ZA2Z7WMPOSHF · pith_short_8: UIE6ZA2Z

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/UIE6ZA2Z7WMPOSHFW3VC6X5X7T \
  | 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: a209ec8359fd98f748e5b6ea2f5fb7fcdd54cbbf4a1448f0e512fe3953a922f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "870431d70c40d979ba564b10ca25e3cc0a34579fac56f07147e3dd82f7e0d78d",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-06-26T08:28:13Z",
    "title_canon_sha256": "339fe1ad43e138c84cb3675aa2e7fef68eb319a5e981aa607cc38770a5b2f7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6803",
    "kind": "arxiv",
    "version": 1
  }
}