Pith Number

pith:J4RBPXVJ

pith:2023:J4RBPXVJ7ZBMU4JVNLEAW6TBSB

not attested not anchored not stored refs pending

Unstable pseudo-isotopies of spherical 3-manifolds

Tadayuki Watanabe, Yuji Ohta

arxiv:2303.13877 v2 · 2023-03-24 · math.GT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4RBPXVJ7ZBMU4JVNLEAW6TBSB}

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.

Cited by

1 paper in Pith

Homotopy Coherent Nielsen Realization Problem for Dehn Twists on K3-Type 4-Manifolds

Receipt and verification

First computed	2026-07-05T07:02:00.726298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2217dea9fe42ca71356ac80b7a6190677b3f46615e03e4ead13e8820979497

Aliases

arxiv: 2303.13877 · arxiv_version: 2303.13877v2 · doi: 10.48550/arxiv.2303.13877 · pith_short_12: J4RBPXVJ7ZBM · pith_short_16: J4RBPXVJ7ZBMU4JV · pith_short_8: J4RBPXVJ

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/J4RBPXVJ7ZBMU4JVNLEAW6TBSB \
  | 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: 4f2217dea9fe42ca71356ac80b7a6190677b3f46615e03e4ead13e8820979497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "534df03ec39267c4509479b20a2598c37dee27fa78d2cc26d4723c29183cb8bd",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-03-24T09:43:32Z",
    "title_canon_sha256": "328d13c35223479a91b29b11daf23b655f5ecf1e2fbd0fb4c208a8ca40b553d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13877",
    "kind": "arxiv",
    "version": 2
  }
}