Pith Number

pith:F66NRUOH

pith:2005:F66NRUOHAZAC2XNE37EPI3RWQF

not attested not anchored not stored refs pending

Quantum search algorithms

Andris Ambainis

arxiv:quant-ph/0504012 v1 · 2005-04-03 · quant-ph · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F66NRUOHAZAC2XNE37EPI3RWQF}

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	2026-07-04T15:11:29.049365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fbcd8d1c706402d5da4dfc8f46e368165dc423d70127a40e6b6eb641cb393dc

Aliases

arxiv: quant-ph/0504012 · arxiv_version: quant-ph/0504012v1 · doi: 10.48550/arxiv.quant-ph/0504012 · pith_short_12: F66NRUOHAZAC · pith_short_16: F66NRUOHAZAC2XNE · pith_short_8: F66NRUOH

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/F66NRUOHAZAC2XNE37EPI3RWQF \
  | 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: 2fbcd8d1c706402d5da4dfc8f46e368165dc423d70127a40e6b6eb641cb393dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58874641bc164d6e369f88f43be0a475dda0b52a3ebb333b0d5e36d87315033b",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-04-03T19:03:49Z",
    "title_canon_sha256": "de976e36f1582df8b5d5207e622fa77be1a0168ff22b577f10022e197bc0dc56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0504012",
    "kind": "arxiv",
    "version": 1
  }
}