Pith Number

pith:3B2AYGRJ

pith:2019:3B2AYGRJF4VCKDKWG2II4YUELN

not attested not anchored not stored refs pending

Intuitionistic Non-Normal Modal Logics: A general framework

Charles Grellois, Nicola Olivetti, Tiziano Dalmonte

arxiv:1901.09812 v1 · 2019-01-28 · cs.LO · math.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{3B2AYGRJF4VCKDKWG2II4YUELN}

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	2026-05-17T23:55:16.628841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8740c1a292f2a250d5636908e62845b5ec72df3d15d6f79a1de8634ecd5c5b4

Aliases

arxiv: 1901.09812 · arxiv_version: 1901.09812v1 · doi: 10.48550/arxiv.1901.09812 · pith_short_12: 3B2AYGRJF4VC · pith_short_16: 3B2AYGRJF4VCKDKW · pith_short_8: 3B2AYGRJ

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/3B2AYGRJF4VCKDKWG2II4YUELN \
  | 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: d8740c1a292f2a250d5636908e62845b5ec72df3d15d6f79a1de8634ecd5c5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff08d7925eecd89a09807ef92b83dbed95b038c9b36d217566a853615342ca6e",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-01-28T17:04:07Z",
    "title_canon_sha256": "eed71c920db7ff39249db0745bf7d8bc5c0c7730a6f351a7c55817a39bc5e231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09812",
    "kind": "arxiv",
    "version": 1
  }
}