Pith Number

pith:HZ4WRZWD

pith:2005:HZ4WRZWDI7NVTH3HVRZGJ7A52L

not attested not anchored not stored refs pending

Linear-algebraic lambda-calculus

Gilles Dowek, Pablo Arrighi

arxiv:quant-ph/0501150 v1 · 2005-01-25 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZ4WRZWDI7NVTH3HVRZGJ7A52L}

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	2026-05-18T00:36:33.887907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7968e6c347db599f67ac7264fc1dd2df357a5d6b01a2b4cae1a6edbc77eb84

Aliases

arxiv: quant-ph/0501150 · arxiv_version: quant-ph/0501150v1 · doi: 10.48550/arxiv.quant-ph/0501150 · pith_short_12: HZ4WRZWDI7NV · pith_short_16: HZ4WRZWDI7NVTH3H · pith_short_8: HZ4WRZWD

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/HZ4WRZWDI7NVTH3HVRZGJ7A52L \
  | 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: 3e7968e6c347db599f67ac7264fc1dd2df357a5d6b01a2b4cae1a6edbc77eb84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141bd2bc48022c575ebb1bbe77d25721bc35233fb7c6d118f5f54bbb7fad4fb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-01-25T13:40:33Z",
    "title_canon_sha256": "759de1c46a94e814a55f0dd8348413f7de3178f884440c5b45fec68d93f454d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0501150",
    "kind": "arxiv",
    "version": 1
  }
}