Pith Number

pith:GXTPSND3

pith:2010:GXTPSND3BZME7GMG43SOL4VAZW

not attested not anchored not stored refs pending

Simplifying Negative Goals Using Typed Existence Properties

John G. Cleary, Lunjin Lu

arxiv:1009.2178 v1 · 2010-09-11 · cs.PL · 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{GXTPSND3BZME7GMG43SOL4VAZW}

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	2026-05-18T04:41:04.666848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35e6f9347b0e584f9986e6e4e5f2a0cd8c3f917d4db9abb8af8a18bd9a666efc

Aliases

arxiv: 1009.2178 · arxiv_version: 1009.2178v1 · doi: 10.48550/arxiv.1009.2178 · pith_short_12: GXTPSND3BZME · pith_short_16: GXTPSND3BZME7GMG · pith_short_8: GXTPSND3

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/GXTPSND3BZME7GMG43SOL4VAZW \
  | 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: 35e6f9347b0e584f9986e6e4e5f2a0cd8c3f917d4db9abb8af8a18bd9a666efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30abe131a3be12174344e7a46c75aecdde80dc32da8ec586cb39336e1ba8d0e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2010-09-11T14:56:36Z",
    "title_canon_sha256": "e3c6edbab7e66900d48b797132a330a43e2cb6de6b120b13abf654cbfca120d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2178",
    "kind": "arxiv",
    "version": 1
  }
}