Pith Number

pith:SGVNYXZF

pith:2012:SGVNYXZFR7NC7WCOGWOBFXDFQS

not attested not anchored not stored refs pending

Lattices of Logical Fragments over Words

Alexander Lauser, Manfred Kufleitner

arxiv:1202.3355 v2 · 2012-02-15 · cs.FL · 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{SGVNYXZFR7NC7WCOGWOBFXDFQS}

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	2026-05-18T02:21:17.834107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91aadc5f258fda2fd84e359c12dc65849713d6af793d4230ccf2e91210e0f4cc

Aliases

arxiv: 1202.3355 · arxiv_version: 1202.3355v2 · doi: 10.48550/arxiv.1202.3355 · pith_short_12: SGVNYXZFR7NC · pith_short_16: SGVNYXZFR7NC7WCO · pith_short_8: SGVNYXZF

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/SGVNYXZFR7NC7WCOGWOBFXDFQS \
  | 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: 91aadc5f258fda2fd84e359c12dc65849713d6af793d4230ccf2e91210e0f4cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18cfd4c3d53d0ece9fe556f334950ce9d19f4f10a8fa2f362cabf4ec7c7bc878",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-02-15T16:32:24Z",
    "title_canon_sha256": "19b6117414f53325f6cda852508e4e14c490569b123bd41810ac8c546f413027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3355",
    "kind": "arxiv",
    "version": 2
  }
}