Pith Number

pith:AJLKZTQ7

pith:2025:AJLKZTQ7KBR6TYYZPOODZB3SH7

not attested not anchored not stored refs pending

Pseudo-isotopy versus isotopy for homeomorphisms of 4-manifolds

Daniel Galvin, Isacco Nonino

arxiv:2506.11905 v1 · 2025-06-13 · 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{AJLKZTQ7KBR6TYYZPOODZB3SH7}

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

Smoothing topological pseudo-isotopies of 4-manifolds

Receipt and verification

First computed	2026-07-05T11:21:12.603787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0256acce1f5063e9e3197b9c3c87723fcce4f72de436c1e027fb1245c56949bd

Aliases

arxiv: 2506.11905 · arxiv_version: 2506.11905v1 · doi: 10.48550/arxiv.2506.11905 · pith_short_12: AJLKZTQ7KBR6 · pith_short_16: AJLKZTQ7KBR6TYYZ · pith_short_8: AJLKZTQ7

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/AJLKZTQ7KBR6TYYZPOODZB3SH7 \
  | 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: 0256acce1f5063e9e3197b9c3c87723fcce4f72de436c1e027fb1245c56949bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63462e07331403f71532cde82687ed63c8316d03dd943a8cb64ceeeae2c2c40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2025-06-13T15:53:57Z",
    "title_canon_sha256": "aa3decffccfb0ca118fed96b83c27481a738b41f590cd3a9dfbd88ae12fe90c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.11905",
    "kind": "arxiv",
    "version": 1
  }
}