Pith Number

pith:HWZKA3PX

pith:2013:HWZKA3PXEZCVZBQVVHPOKICIJW

not attested not anchored not stored refs pending

Exact quantum query complexity of EXACT and THRESHOLD

Andris Ambainis, J\=anis Iraids, Juris Smotrovs

arxiv:1302.1235 v1 · 2013-02-06 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWZKA3PXEZCVZBQVVHPOKICIJW}

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	2026-05-18T03:34:24.803709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db2a06df726455c8615a9dee520484da929059efb5a8e8773c9d008d83a8ae7

Aliases

arxiv: 1302.1235 · arxiv_version: 1302.1235v1 · doi: 10.48550/arxiv.1302.1235 · pith_short_12: HWZKA3PXEZCV · pith_short_16: HWZKA3PXEZCVZBQV · pith_short_8: HWZKA3PX

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/HWZKA3PXEZCVZBQVVHPOKICIJW \
  | 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: 3db2a06df726455c8615a9dee520484da929059efb5a8e8773c9d008d83a8ae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "009ae42a6be0c0b87cde5629a67c9085a98edabcb0c6336f1d47df7003b9291d",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-06T00:22:56Z",
    "title_canon_sha256": "45b166345bb591bc1c91ac660f372d893a88682d179c850d41e6df9871a81c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1235",
    "kind": "arxiv",
    "version": 1
  }
}