Pith Number

pith:64HSKDU3

pith:2013:64HSKDU37OLR5FOJ7POCP5FSU6

not attested not anchored not stored refs pending

Possibility and Necessity Functions over Non-classical Logics

Jerome Lang, Philippe Besnard

arxiv:1302.6788 v1 · 2013-02-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64HSKDU37OLR5FOJ7POCP5FSU6}

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	2026-05-18T03:32:18.773546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70f250e9bfb971e95c9fbdc27f4b2a7b6b9abe933f1aa5fe83fb845e7ad0ff3

Aliases

arxiv: 1302.6788 · arxiv_version: 1302.6788v1 · doi: 10.48550/arxiv.1302.6788 · pith_short_12: 64HSKDU37OLR · pith_short_16: 64HSKDU37OLR5FOJ · pith_short_8: 64HSKDU3

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/64HSKDU37OLR5FOJ7POCP5FSU6 \
  | 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: f70f250e9bfb971e95c9fbdc27f4b2a7b6b9abe933f1aa5fe83fb845e7ad0ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a26d98ac2c90fec8373a0cc6c27eaff4ec0d150c6ab53fe0d00508650a4ec7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-02-27T14:14:08Z",
    "title_canon_sha256": "e73479fb9374e79c8b06695c4a60eca2b8d8607ccd9d8bda040507f6ae2219e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6788",
    "kind": "arxiv",
    "version": 1
  }
}