Pith Number

pith:47C3FGVC

pith:2016:47C3FGVC6ZCKS5X4ICSBXWOAMU

not attested not anchored not stored refs pending

Removing Unnecessary Variables from Horn Clause Verification Conditions

Alberto Pettorossi, Emanuele De Angelis, Fabio Fioravanti, Maurizio Proietti

arxiv:1607.04460 v1 · 2016-07-15 · cs.LO · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47C3FGVC6ZCKS5X4ICSBXWOAMU}

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	2026-05-18T01:11:01.155464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c5b29aa2f644a976fc40a41bd9c0650cb13097260b4c60572c8e847b1a866a

Aliases

arxiv: 1607.04460 · arxiv_version: 1607.04460v1 · doi: 10.48550/arxiv.1607.04460 · pith_short_12: 47C3FGVC6ZCK · pith_short_16: 47C3FGVC6ZCKS5X4 · pith_short_8: 47C3FGVC

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/47C3FGVC6ZCKS5X4ICSBXWOAMU \
  | 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: e7c5b29aa2f644a976fc40a41bd9c0650cb13097260b4c60572c8e847b1a866a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b0b1107467ed45ab9dd0d94b02fd6b524f4e916524addf06e00153d52512a7",
    "cross_cats_sorted": [
      "cs.PL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-07-15T11:05:17Z",
    "title_canon_sha256": "009f82630ea521adb060a32a1573d8e8f222201977131538a7df1a7729e9fd54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04460",
    "kind": "arxiv",
    "version": 1
  }
}