Pith Number

pith:XRDGHKEI

pith:2016:XRDGHKEITDS77CGIIP5JQXBG63

not attested not anchored not stored refs pending

Biabduction (and Related Problems) in Array Separation Logic

James Brotherston, Max Kanovich, Nikos Gorogiannis

arxiv:1607.01993 v3 · 2016-07-07 · cs.LO · cs.DS · cs.PL · math.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{XRDGHKEITDS77CGIIP5JQXBG63}

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	2026-05-18T00:57:43.905604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4663a88898e5ff88c843fa985c26f6d19ce44968d521e2c8f5ec898b1de29d

Aliases

arxiv: 1607.01993 · arxiv_version: 1607.01993v3 · doi: 10.48550/arxiv.1607.01993 · pith_short_12: XRDGHKEITDS7 · pith_short_16: XRDGHKEITDS77CGI · pith_short_8: XRDGHKEI

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/XRDGHKEITDS77CGIIP5JQXBG63 \
  | 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: bc4663a88898e5ff88c843fa985c26f6d19ce44968d521e2c8f5ec898b1de29d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044dd8311f3ff4e7f79462ddf5d743aad6d1c8c6f00d7be0e372972ca29c48e8",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.PL",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-07-07T12:49:04Z",
    "title_canon_sha256": "ea87d70f4f9dab051d4e252ec805be8e8c532086ef9d9d7db21e45af7ac4b051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01993",
    "kind": "arxiv",
    "version": 3
  }
}