Pith Number

pith:RP4HDI4K

pith:2026:RP4HDI4K3GZSG5OJBCUZAKNTOY

not attested not anchored not stored refs pending

MCS Spaces are CS

Lewis Tadman, Mohammad Alattar

arxiv:2606.01119 v1 · 2026-05-31 · math.GT · math.GN · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RP4HDI4K3GZSG5OJBCUZAKNTOY}

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	2026-06-02T02:04:24.072161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf871a38ad9b32375c908a99029b3763c2024111316c28d9e46a8a2ab079e98

Aliases

arxiv: 2606.01119 · arxiv_version: 2606.01119v1 · doi: 10.48550/arxiv.2606.01119 · pith_short_12: RP4HDI4K3GZS · pith_short_16: RP4HDI4K3GZSG5OJ · pith_short_8: RP4HDI4K

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/RP4HDI4K3GZSG5OJBCUZAKNTOY \
  | 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: 8bf871a38ad9b32375c908a99029b3763c2024111316c28d9e46a8a2ab079e98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f15f8caf0714c7803d179b43acae9597b685cb69029c3adadca9dbd4eb3b4843",
    "cross_cats_sorted": [
      "math.GN",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-05-31T09:37:36Z",
    "title_canon_sha256": "5444143b6e0cea8c87523caa2f45b1f5441c28775dd3bb5d0cc3890944ed6ef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01119",
    "kind": "arxiv",
    "version": 1
  }
}