Pith Number

pith:D64SJXTS

pith:2026:D64SJXTSV4RX7TWXSYSDYMWHA7

not attested not anchored not stored refs pending

Topological Logics of Path-Reachability

Aleksandr Gagarin, David Fern\'andez-Duque

arxiv:2606.31874 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{D64SJXTSV4RX7TWXSYSDYMWHA7}

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	2026-07-01T01:18:18.174287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fb924de72af237fced796243c32c707c6f5bd7a5bc0c8c4551498e3aacafe41

Aliases

arxiv: 2606.31874 · arxiv_version: 2606.31874v1 · doi: 10.48550/arxiv.2606.31874 · pith_short_12: D64SJXTSV4RX · pith_short_16: D64SJXTSV4RX7TWX · pith_short_8: D64SJXTS

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/D64SJXTSV4RX7TWXSYSDYMWHA7 \
  | 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: 1fb924de72af237fced796243c32c707c6f5bd7a5bc0c8c4551498e3aacafe41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75460a5aa07f235639412f0788569b60770644b0f808596b0957c2d72f8988e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-30T15:57:35Z",
    "title_canon_sha256": "301ad7505d6878b9ee1bfc44824ba32a395d8d0193695c97961d80f8bc388fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31874",
    "kind": "arxiv",
    "version": 1
  }
}