Pith Number

pith:ZLPAARWA

pith:2021:ZLPAARWACJ3VDOQWJBFOZTXAHQ

not attested not anchored not stored refs pending

Hoare meets Heisenberg: A Lightweight Logic for Quantum Programs

Aarthi Sundaram, Brad Lackey, Kartik Singhal, Robert Rand, Youngchan Cho

arxiv:2101.08939 v6 · 2021-01-22 · quant-ph · cs.ET · 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{ZLPAARWACJ3VDOQWJBFOZTXAHQ}

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.

Cited by

1 paper in Pith

A Practical Specification Language for Automatic Quantum Program Verification (Technical Report)

Receipt and verification

First computed	2026-07-02T01:17:10.323161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cade0046c0127751ba16484aeccee03c2c3e38280907a18465413428babb5692

Aliases

arxiv: 2101.08939 · arxiv_version: 2101.08939v6 · doi: 10.48550/arxiv.2101.08939 · pith_short_12: ZLPAARWACJ3V · pith_short_16: ZLPAARWACJ3VDOQW · pith_short_8: ZLPAARWA

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/ZLPAARWACJ3VDOQWJBFOZTXAHQ \
  | 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: cade0046c0127751ba16484aeccee03c2c3e38280907a18465413428babb5692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cc877ac766b0385a2f6674f14a777c6ea58ef480e9b6749d3b0f93f1233e0ae",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-22T04:07:12Z",
    "title_canon_sha256": "333d1f978f1bd240c4e98258e3e299872b7d8423a6db4a77c8d3d6748e1d05aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08939",
    "kind": "arxiv",
    "version": 6
  }
}