Pith Number

pith:4ZGULRU5

pith:2017:4ZGULRU5GI66MR3PG2NJN6TPH3

not attested not anchored not stored refs pending

Quantum SDP-Solvers: Better upper and lower bounds

Andr\'as Gily\'en, Joran van Apeldoorn, Ronald de Wolf, Sander Gribling

arxiv:1705.01843 v4 · 2017-05-04 · 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{4ZGULRU5GI66MR3PG2NJN6TPH3}

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.

Cited by

1 paper in Pith

On estimating operator norm distance, with optimal trace distance estimation when one state is pure

Receipt and verification

First computed	2026-07-05T00:41:21.305811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d

Aliases

arxiv: 1705.01843 · arxiv_version: 1705.01843v4 · doi: 10.48550/arxiv.1705.01843 · pith_short_12: 4ZGULRU5GI66 · pith_short_16: 4ZGULRU5GI66MR3P · pith_short_8: 4ZGULRU5

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/4ZGULRU5GI66MR3PG2NJN6TPH3 \
  | 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: e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "080709f2b24280425c98938baa8a012c4600ff6ebc09bbdb2f81a50e66ea8859",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-04T13:59:43Z",
    "title_canon_sha256": "312822fb97f57820c8a66648e44f70d72fc0a5ede6e54ef12dd9453c87b6f2fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01843",
    "kind": "arxiv",
    "version": 4
  }
}