Pith Number

pith:22UNPOMY

pith:2026:22UNPOMYQRHBA3VPHEYMDNGA54

not attested not anchored not stored refs pending

Topology as Logic: Structural Role Geometry Across Formal, Software, Biological, and Prebiotic Systems

Vladi Ivanov

arxiv:2606.02392 v1 · 2026-06-01 · cs.SI · cs.LO · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22UNPOMYQRHBA3VPHEYMDNGA54}

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	2026-06-02T03:04:57.939885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a8d7b998844e106eaf3930c1b4c0ef27433062dd399d26ede23517ccdf73f2

Aliases

arxiv: 2606.02392 · arxiv_version: 2606.02392v1 · doi: 10.48550/arxiv.2606.02392 · pith_short_12: 22UNPOMYQRHB · pith_short_16: 22UNPOMYQRHBA3VP · pith_short_8: 22UNPOMY

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/22UNPOMYQRHBA3VPHEYMDNGA54 \
  | 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: d6a8d7b998844e106eaf3930c1b4c0ef27433062dd399d26ede23517ccdf73f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91583c06dbcb40997b94c2a419297dae9d797984a345cd118f0aeff15731dc18",
    "cross_cats_sorted": [
      "cs.LO",
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2026-06-01T15:42:49Z",
    "title_canon_sha256": "744eb073040ce1663760b0878dae7e9dc99d36dfdd0070ccab613427ecd8d6a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02392",
    "kind": "arxiv",
    "version": 1
  }
}