Pith Number

pith:OVC2Q55I

pith:2016:OVC2Q55IWSVYK6W5UHO6MXQPTI

not attested not anchored not stored refs pending

Topologically slice knots that are not smoothly slice in any definite 4-manifold

Kouki Sato

arxiv:1606.06491 v1 · 2016-06-21 · 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{OVC2Q55IWSVYK6W5UHO6MXQPTI}

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	2026-05-18T00:20:59.432792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7545a877a8b4ab857adda1dde65e0f9a238283635f3a9b708a7067d0edd2f30c

Aliases

arxiv: 1606.06491 · arxiv_version: 1606.06491v1 · doi: 10.48550/arxiv.1606.06491 · pith_short_12: OVC2Q55IWSVY · pith_short_16: OVC2Q55IWSVYK6W5 · pith_short_8: OVC2Q55I

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/OVC2Q55IWSVYK6W5UHO6MXQPTI \
  | 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: 7545a877a8b4ab857adda1dde65e0f9a238283635f3a9b708a7067d0edd2f30c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eab5e0c65a982f73b371e018e61ac43810f4c7c95c1266d5f8552592ea9bd1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-06-21T09:21:31Z",
    "title_canon_sha256": "daa3ce4b1506b0cf249d57d258f0e17b5d28473b25d8e13e6d8e93ab675aa709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06491",
    "kind": "arxiv",
    "version": 1
  }
}