Pith Number

pith:2D7EIWGN

pith:2008:2D7EIWGNEQURO3VAALB3J6EXBS

not attested not anchored not stored refs pending

Independence and concurrent separation logic

Glynn Winskel, Jonathan Hayman

arxiv:0802.0820 v2 · 2008-02-06 · 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{2D7EIWGNEQURO3VAALB3J6EXBS}

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	2026-05-18T01:37:42.536798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0fe4458cd2429176ea002c3b4f8970c879fe8feecd92d197182e9bff59b5668

Aliases

arxiv: 0802.0820 · arxiv_version: 0802.0820v2 · doi: 10.48550/arxiv.0802.0820 · pith_short_12: 2D7EIWGNEQUR · pith_short_16: 2D7EIWGNEQURO3VA · pith_short_8: 2D7EIWGN

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/2D7EIWGNEQURO3VAALB3J6EXBS \
  | 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: d0fe4458cd2429176ea002c3b4f8970c879fe8feecd92d197182e9bff59b5668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0401cf0892985517f39f5ff10a28c3328fbf6e24db262a2eb1be880ce36e3db",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-02-06T15:39:20Z",
    "title_canon_sha256": "4fc49f0f889f67e1f971669b308607fce8ea04137d0d0273532f449bb8af5e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0820",
    "kind": "arxiv",
    "version": 2
  }
}