Pith Number

pith:INSNGFZ5

pith:2026:INSNGFZ5ROMLFODEGRAGSGC6TA

not attested not anchored not stored refs pending

Handle decompositions and the 1-dimensional inputs skein lasagna module

Ian A. Sullivan, Imogen Montague

arxiv:2606.29452 v1 · 2026-06-28 · math.GT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INSNGFZ5ROMLFODEGRAGSGC6TA}

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	2026-06-30T01:18:07.087446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4364d3173d8b98b2b864344069185e9819f9ef297d9a8720dcbab149c31483c8

Aliases

arxiv: 2606.29452 · arxiv_version: 2606.29452v1 · doi: 10.48550/arxiv.2606.29452 · pith_short_12: INSNGFZ5ROML · pith_short_16: INSNGFZ5ROMLFODE · pith_short_8: INSNGFZ5

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/INSNGFZ5ROMLFODEGRAGSGC6TA \
  | 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: 4364d3173d8b98b2b864344069185e9819f9ef297d9a8720dcbab149c31483c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20da1f243d4dc3f6e82616fd20be08b9190019fa2047fce16d7771eead5dbf82",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-06-28T15:16:17Z",
    "title_canon_sha256": "fda938be146e3b60f3d34562c2e2f79b1441d6840b1b18850891d7277c010c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29452",
    "kind": "arxiv",
    "version": 1
  }
}