Pith Number

pith:6ZT6QGHJ

pith:2021:6ZT6QGHJDZKVZEYTLSROFX7LX2

not attested not anchored not stored refs pending

Property-Directed Reachability as Abstract Interpretation in the Monotone Theory

James R. Wilcox, Mooly Sagiv, Sharon Shoham, Yotam M. Y. Feldman

arxiv:2111.00324 v2 · 2021-10-30 · 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{6ZT6QGHJDZKVZEYTLSROFX7LX2}

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	2026-07-05T03:49:23.691644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f667e818e91e555c93135ca2e2dfebbe986c65190ed5bf89c270ba51082e46bc

Aliases

arxiv: 2111.00324 · arxiv_version: 2111.00324v2 · doi: 10.48550/arxiv.2111.00324 · pith_short_12: 6ZT6QGHJDZKV · pith_short_16: 6ZT6QGHJDZKVZEYT · pith_short_8: 6ZT6QGHJ

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/6ZT6QGHJDZKVZEYTLSROFX7LX2 \
  | 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: f667e818e91e555c93135ca2e2dfebbe986c65190ed5bf89c270ba51082e46bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0abf1315bfa95985a09e652b74f92e55d9094d8622645d15fa024442c4d4f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-10-30T19:59:13Z",
    "title_canon_sha256": "2a72aabe16883342bca414f88b519e30cb37b1376e84675c2cd303ef32829b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00324",
    "kind": "arxiv",
    "version": 2
  }
}