Pith Number

pith:PAPC5GEZ

pith:2013:PAPC5GEZJABWWIKPJA6E7ZBYSO

not attested not anchored not stored refs pending

A state vector algebra for algorithmic implementation of second-order logic

Dmitry Lesnik, Tobias Schaefer

arxiv:1312.2551 v3 · 2013-12-09 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAPC5GEZJABWWIKPJA6E7ZBYSO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:26:39.805978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781e2e989948036b214f483c4fe438939cc7363beff4c6f686af17b0fcf3d761

Aliases

arxiv: 1312.2551 · arxiv_version: 1312.2551v3 · doi: 10.48550/arxiv.1312.2551 · pith_short_12: PAPC5GEZJABW · pith_short_16: PAPC5GEZJABWWIKP · pith_short_8: PAPC5GEZ

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/PAPC5GEZJABWWIKPJA6E7ZBYSO \
  | 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: 781e2e989948036b214f483c4fe438939cc7363beff4c6f686af17b0fcf3d761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5db0a493f79193a9e5468eb6cf80f99f8b87eaaa976dcd455072cf694ac87d21",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-12-09T19:25:18Z",
    "title_canon_sha256": "ea671fc1698a819be0c8e681b531c0d5f475984fe3a04d70555af77a68de6fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2551",
    "kind": "arxiv",
    "version": 3
  }
}