Pith Number

pith:ZAKAY4AG

pith:2019:ZAKAY4AG27PTAT6L7O2M2MNN5H

not attested not anchored not stored refs pending

Quantifiers metamorphoses. Generalizations, variations, algorithmic semantics

Alex Shkotin

arxiv:1908.11342 v1 · 2019-08-24 · 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{ZAKAY4AG27PTAT6L7O2M2MNN5H}

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	2026-07-05T00:00:32.738506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8140c7006d7df304fcbfbb4cd31ade9f72038fcda35416cab951ba9c5e8f3cc

Aliases

arxiv: 1908.11342 · arxiv_version: 1908.11342v1 · doi: 10.48550/arxiv.1908.11342 · pith_short_12: ZAKAY4AG27PT · pith_short_16: ZAKAY4AG27PTAT6L · pith_short_8: ZAKAY4AG

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/ZAKAY4AG27PTAT6L7O2M2MNN5H \
  | 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: c8140c7006d7df304fcbfbb4cd31ade9f72038fcda35416cab951ba9c5e8f3cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fee6184394f8c581930cec8530e65c0660bb28a65299745bd2976fe4462153f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-24T10:24:16Z",
    "title_canon_sha256": "cf5d88b3810b28e4f48240006ccdb90674dd38c1822d3d48e10e2273f1377ad4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11342",
    "kind": "arxiv",
    "version": 1
  }
}