Pith Number

pith:J7RRPKCM

pith:2018:J7RRPKCMGGYBAAK7LHZWTFKASP

not attested not anchored not stored refs pending

Post-selected Classical Query Complexity

Chris Cade

arxiv:1804.10010 v2 · 2018-04-26 · cs.CC · 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{J7RRPKCMGGYBAAK7LHZWTFKASP}

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	2026-05-18T00:16:07.411234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe317a84c31b010015f59f369954093c6974211c168dc5746cac5a372882fa5

Aliases

arxiv: 1804.10010 · arxiv_version: 1804.10010v2 · doi: 10.48550/arxiv.1804.10010 · pith_short_12: J7RRPKCMGGYB · pith_short_16: J7RRPKCMGGYBAAK7 · pith_short_8: J7RRPKCM

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/J7RRPKCMGGYBAAK7LHZWTFKASP \
  | 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: 4fe317a84c31b010015f59f369954093c6974211c168dc5746cac5a372882fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f96dd44a5a461c9f6f401f36f5fb754fa5459c12aa40aae3d2df970695e504",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-04-26T12:09:46Z",
    "title_canon_sha256": "a8caf3e6134f566c78dc19fac3c60707083858ca3cc7d324eca6d1c99bfe6ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10010",
    "kind": "arxiv",
    "version": 2
  }
}