Pith Number

pith:YTZDFW3T

pith:2026:YTZDFW3TWFH2OXWLA3O4EYFW3O

not attested not anchored not stored refs pending

Non-classical Topological Evidence Logic

Czech Academy of Sciences), Igor Sedl\'ar (Institute of Computer Science

arxiv:2606.31888 v1 · 2026-06-30 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTZDFW3TWFH2OXWLA3O4EYFW3O}

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	2026-07-01T01:18:18.490451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f232db73b14fa75ecb06ddc260b6db9dd08099d466bc33f718a238619783f9

Aliases

arxiv: 2606.31888 · arxiv_version: 2606.31888v1 · doi: 10.48550/arxiv.2606.31888 · pith_short_12: YTZDFW3TWFH2 · pith_short_16: YTZDFW3TWFH2OXWL · pith_short_8: YTZDFW3T

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/YTZDFW3TWFH2OXWLA3O4EYFW3O \
  | 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: c4f232db73b14fa75ecb06ddc260b6db9dd08099d466bc33f718a238619783f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b9ac10902dabd5de09035e448d8738381a723e45b19d98bdab7ee583693785",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-30T16:01:26Z",
    "title_canon_sha256": "8dd0af9c05212da301dacd06c32dbaf7717b514c01d50c42e14b217472374b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31888",
    "kind": "arxiv",
    "version": 1
  }
}