Pith Number

pith:N2HQJNOC

pith:2018:N2HQJNOCTTT32HXGHKKOUKJQQ2

not attested not anchored not stored refs pending

Quantum Relational Hoare Logic

Dominique Unruh

arxiv:1802.03188 v2 · 2018-02-09 · quant-ph · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2HQJNOCTTT32HXGHKKOUKJQQ2}

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	2026-05-17T23:56:25.180844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e8f04b5c29ce7bd1ee63a94ea2930868a37ff7e6699e23303f9453a0f8f42bd

Aliases

arxiv: 1802.03188 · arxiv_version: 1802.03188v2 · doi: 10.48550/arxiv.1802.03188 · pith_short_12: N2HQJNOCTTT3 · pith_short_16: N2HQJNOCTTT32HXG · pith_short_8: N2HQJNOC

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/N2HQJNOCTTT32HXGHKKOUKJQQ2 \
  | 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: 6e8f04b5c29ce7bd1ee63a94ea2930868a37ff7e6699e23303f9453a0f8f42bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7d4daf5eb45f81985cc5d36b723d1115815a216cf2b0365e4cb13095ffccfde",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-09T10:21:53Z",
    "title_canon_sha256": "c17071dac62fad5c531eff3ede54c1a8968aa641a3ce4740520dd8e91c3cf030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03188",
    "kind": "arxiv",
    "version": 2
  }
}