Pith Number

pith:KMWVKU2Q

pith:2007:KMWVKU2QBB2BELQZPUZPDJQ75L

not attested not anchored not stored refs pending

Generalised quantum weakest preconditions

Marek Sawerwain, Roman Gielerak

arxiv:0710.5239 v2 · 2007-10-27 · 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{KMWVKU2QBB2BELQZPUZPDJQ75L}

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	2026-05-18T03:34:59.900865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

532d5553500874122e197d32f1a61feae66fe716d455e8c5aff9a45395b290d8

Aliases

arxiv: 0710.5239 · arxiv_version: 0710.5239v2 · doi: 10.48550/arxiv.0710.5239 · pith_short_12: KMWVKU2QBB2B · pith_short_16: KMWVKU2QBB2BELQZ · pith_short_8: KMWVKU2Q

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/KMWVKU2QBB2BELQZPUZPDJQ75L \
  | 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: 532d5553500874122e197d32f1a61feae66fe716d455e8c5aff9a45395b290d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006310d05c9eb8a76ee63a458a9f2683c2b3d7280f3aa8453ae805a8c9c7dcc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-10-27T16:07:59Z",
    "title_canon_sha256": "c589b2ab64dd52b89e0e326b088f834bd4efe488dc5a79990066836d95c12df7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5239",
    "kind": "arxiv",
    "version": 2
  }
}