Pith Number

pith:W7X635IS

pith:2006:W7X635IST5S6VOXZHRDD3CD5HY

not attested not anchored not stored refs pending

Query complexity for searching multiple marked states from an unsorted database

Bin Shang

arxiv:quant-ph/0604059 v1 · 2006-04-10 · 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{W7X635IST5S6VOXZHRDD3CD5HY}

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	2026-05-18T01:37:56.927259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7efedf5129f65eabaf93c463d887d3e3ccb2e7d5b1f3b94cebd1a914457c1d9

Aliases

arxiv: quant-ph/0604059 · arxiv_version: quant-ph/0604059v1 · doi: 10.48550/arxiv.quant-ph/0604059 · pith_short_12: W7X635IST5S6 · pith_short_16: W7X635IST5S6VOXZ · pith_short_8: W7X635IS

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/W7X635IST5S6VOXZHRDD3CD5HY \
  | 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: b7efedf5129f65eabaf93c463d887d3e3ccb2e7d5b1f3b94cebd1a914457c1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb9a157d8965adc476f2066f2856079e2cb1c807fad3687a68c04ed7e07ca7dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-04-10T11:39:37Z",
    "title_canon_sha256": "e249534ce631f1cd4a7ebc72e6f3ea88b1d4c8ad291687dd6e0e9ec182350c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0604059",
    "kind": "arxiv",
    "version": 1
  }
}