Pith Number

pith:R7BEEZZO

pith:2017:R7BEEZZO7Q44HINIS6LJF4LWIT

not attested not anchored not stored refs pending

An Outline of Separation Logic

Abhishek Kr Singh, Raja Natrajan

arxiv:1703.10994 v1 · 2017-03-31 · cs.LO · 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{R7BEEZZO7Q44HINIS6LJF4LWIT}

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	2026-05-18T00:46:54.935917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc242672efc39c3a1a8979692f17644db605213dcbb8d29f0171dfd9596edb2

Aliases

arxiv: 1703.10994 · arxiv_version: 1703.10994v1 · doi: 10.48550/arxiv.1703.10994 · pith_short_12: R7BEEZZO7Q44 · pith_short_16: R7BEEZZO7Q44HINI · pith_short_8: R7BEEZZO

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/R7BEEZZO7Q44HINIS6LJF4LWIT \
  | 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: 8fc242672efc39c3a1a8979692f17644db605213dcbb8d29f0171dfd9596edb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27e1adac894adb558c6349d0ca7d125a5fe43ef683da53a488177f4925359f2",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-03-31T17:32:17Z",
    "title_canon_sha256": "c1a73f84125a59b5cc25569707c941900fe16dc57c9a54a4f6302cd854296d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10994",
    "kind": "arxiv",
    "version": 1
  }
}