Pith Number

pith:BDAAIWWV

pith:2008:BDAAIWWVOP3GDXJD3Y6WB7DXOV

not attested not anchored not stored refs pending

Algebraic Pattern Matching in Join Calculus

Luc Maranget, Qin Ma

arxiv:0802.4018 v2 · 2008-02-27 · cs.PL · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDAAIWWVOP3GDXJD3Y6WB7DXOV}

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	2026-05-18T01:37:42.517677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c0045ad573f661dd23de3d60fc77756b38b4176a8b42e0ca2c279886ff489b

Aliases

arxiv: 0802.4018 · arxiv_version: 0802.4018v2 · doi: 10.48550/arxiv.0802.4018 · pith_short_12: BDAAIWWVOP3G · pith_short_16: BDAAIWWVOP3GDXJD · pith_short_8: BDAAIWWV

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/BDAAIWWVOP3GDXJD3Y6WB7DXOV \
  | 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: 08c0045ad573f661dd23de3d60fc77756b38b4176a8b42e0ca2c279886ff489b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4d108a2ff0dc361deb0032bb48f55a707ad61253a52aed9f42f2235b4030a55",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2008-02-27T13:21:51Z",
    "title_canon_sha256": "de7d6727f37a2460d81dcbbb91d00277dadd9191589a09a743ae86905ca3c664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4018",
    "kind": "arxiv",
    "version": 2
  }
}