Pith Number

pith:XJQS74RH

pith:2013:XJQS74RH5I6I3MZDYD4RO2SSNK

not attested not anchored not stored refs pending

A Survey on Product Operators in Abstract Interpretation

Agostino Cortesi (Ca' Foscari University, Giulia Costantini (Ca' Foscari University, Italy), Pietro Ferrara (ETH, Switzerland), Venice, Zurich

arxiv:1309.5146 v1 · 2013-09-20 · 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{XJQS74RH5I6I3MZDYD4RO2SSNK}

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	2026-05-18T03:12:47.476601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba612ff227ea3c8db323c0f9176a526aa6d9341f213ad4c68070c92cf6a1fe43

Aliases

arxiv: 1309.5146 · arxiv_version: 1309.5146v1 · doi: 10.48550/arxiv.1309.5146 · pith_short_12: XJQS74RH5I6I · pith_short_16: XJQS74RH5I6I3MZD · pith_short_8: XJQS74RH

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/XJQS74RH5I6I3MZDYD4RO2SSNK \
  | 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: ba612ff227ea3c8db323c0f9176a526aa6d9341f213ad4c68070c92cf6a1fe43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f69d33362376beb74e82c4b90ed8f742dfa029df43ad2a35793f723ee413f84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-09-20T01:45:37Z",
    "title_canon_sha256": "3b4854f551fbeffbc86d0cfcee46dbeb08b8da587462f65a429971899469cd29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5146",
    "kind": "arxiv",
    "version": 1
  }
}