Pith Number

pith:EPG4KE4H

pith:2015:EPG4KE4H2QKJ4BYQBKQGWECNLS

not attested not anchored not stored refs pending

Combining k-Induction with Continuously-Refined Invariants

Dirk Beyer, Matthias Dangl, Philipp Wendler

arxiv:1502.00096 v1 · 2015-01-31 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPG4KE4H2QKJ4BYQBKQGWECNLS}

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	2026-05-18T02:28:12.789381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23cdc51387d4149e07100aa06b104d5c8e0ef42778c1a5fa9ebc380befda462d

Aliases

arxiv: 1502.00096 · arxiv_version: 1502.00096v1 · doi: 10.48550/arxiv.1502.00096 · pith_short_12: EPG4KE4H2QKJ · pith_short_16: EPG4KE4H2QKJ4BYQ · pith_short_8: EPG4KE4H

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/EPG4KE4H2QKJ4BYQBKQGWECNLS \
  | 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: 23cdc51387d4149e07100aa06b104d5c8e0ef42778c1a5fa9ebc380befda462d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea34c6d85d3bf531b8b3de1bf9eb7227b7963d32a71bd1bb25f3cbb53daaad8f",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-01-31T12:32:10Z",
    "title_canon_sha256": "89f7f31c9ce1fc5a9ffc851588a66aa7ba4343c5f53291e8e7440ae2b1ebbb96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00096",
    "kind": "arxiv",
    "version": 1
  }
}