Pith Number

pith:B77C6VVY

pith:2012:B77C6VVY7D6BTVISHXC2FVQD5Y

not attested not anchored not stored refs pending

Optimal quantum searching to find a common element of two sets

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arxiv:1210.4648 v1 · 2012-10-17 · 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{B77C6VVY7D6BTVISHXC2FVQD5Y}

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	2026-05-18T03:42:56.558343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ffe2f56b8f8fc19d5123dc5a2d603ee1dbf1be46ae0953544601e4a5703b366

Aliases

arxiv: 1210.4648 · arxiv_version: 1210.4648v1 · doi: 10.48550/arxiv.1210.4648 · pith_short_12: B77C6VVY7D6B · pith_short_16: B77C6VVY7D6BTVIS · pith_short_8: B77C6VVY

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/B77C6VVY7D6BTVISHXC2FVQD5Y \
  | 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: 0ffe2f56b8f8fc19d5123dc5a2d603ee1dbf1be46ae0953544601e4a5703b366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97bf4c7576ef7060bc03bd9db9f07f21fb3ab6a8818f87c80019cf09ee72edf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-17T07:23:12Z",
    "title_canon_sha256": "bb7937af9fb4e765262ba61671d8f778932ce7b935df719727ad10015abbc692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4648",
    "kind": "arxiv",
    "version": 1
  }
}