Pith Number

pith:5JWMRQ3Z

pith:2016:5JWMRQ3ZIHF4MY7LFMIKQNJ6Z5

not attested not anchored not stored refs pending

Fourier 1-norm and quantum speed-up

F. L. Marquezino, S. A. Grillo

arxiv:1612.08070 v4 · 2016-12-23 · 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{5JWMRQ3ZIHF4MY7LFMIKQNJ6Z5}

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	2026-05-17T23:51:56.139163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea6cc8c37941cbc663eb2b10a8353ecf4b80c0f9a9251bf2f16e042fb44ad02d

Aliases

arxiv: 1612.08070 · arxiv_version: 1612.08070v4 · doi: 10.48550/arxiv.1612.08070 · pith_short_12: 5JWMRQ3ZIHF4 · pith_short_16: 5JWMRQ3ZIHF4MY7L · pith_short_8: 5JWMRQ3Z

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/5JWMRQ3ZIHF4MY7LFMIKQNJ6Z5 \
  | 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: ea6cc8c37941cbc663eb2b10a8353ecf4b80c0f9a9251bf2f16e042fb44ad02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "535a2de6aef95f72a282f4656561238defbf0d3f56f1a7b16dad2b59ccc0b92c",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-23T19:45:32Z",
    "title_canon_sha256": "f95d1ce9a8ea2853a445587be62e747a70b3b6069b23deb634f8b69378b3bc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08070",
    "kind": "arxiv",
    "version": 4
  }
}