Pith Number

pith:JHNWHEUQ

pith:2015:JHNWHEUQNJGHYVBGCY7PJUFTLU

not attested not anchored not stored refs pending

A decidable weakening of Compass Logic based on cone-shaped cardinal directions

Angelo Montanari (University of Udine, Gabriele Puppis (LaBRI - CNRS), Italy), Pietro Sala (University of Verona

arxiv:1510.03319 v2 · 2015-10-12 · 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{JHNWHEUQNJGHYVBGCY7PJUFTLU}

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	2026-05-18T00:53:08.847735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49db6392906a4c7c5426163ef4d0b35d0d5af14313dc9ca6fe2e55ec137b7d8e

Aliases

arxiv: 1510.03319 · arxiv_version: 1510.03319v2 · doi: 10.48550/arxiv.1510.03319 · pith_short_12: JHNWHEUQNJGH · pith_short_16: JHNWHEUQNJGHYVBG · pith_short_8: JHNWHEUQ

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/JHNWHEUQNJGHYVBGCY7PJUFTLU \
  | 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: 49db6392906a4c7c5426163ef4d0b35d0d5af14313dc9ca6fe2e55ec137b7d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6270791c1603c1cde55a7097f80ba7742abec0684a3c14994bdf279329bc168a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-10-12T14:53:18Z",
    "title_canon_sha256": "d88e53e7912bdc4990e69c842d717832713a1f897bd345fd4ebcf335013c4698"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03319",
    "kind": "arxiv",
    "version": 2
  }
}