Pith Number

pith:E6K7ZHUD

pith:2017:E6K7ZHUD2LWVSYXGZBS4QQS4QL

not attested not anchored not stored refs pending

Tightening Quantum Speed Limits for Almost All States

Felix A. Pollock, Felix C. Binder, Francesco Campaioli, Kavan Modi

arxiv:1709.08941 v2 · 2017-09-26 · 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{E6K7ZHUD2LWVSYXGZBS4QQS4QL}

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	2026-05-18T00:23:33.034049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2795fc9e83d2ed5962e6c865c8425c82d589767d81350a5d402178a652dc9ad4

Aliases

arxiv: 1709.08941 · arxiv_version: 1709.08941v2 · doi: 10.48550/arxiv.1709.08941 · pith_short_12: E6K7ZHUD2LWV · pith_short_16: E6K7ZHUD2LWVSYXG · pith_short_8: E6K7ZHUD

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/E6K7ZHUD2LWVSYXGZBS4QQS4QL \
  | 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: 2795fc9e83d2ed5962e6c865c8425c82d589767d81350a5d402178a652dc9ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e177ba3847f412db7fbef09ea3e2d6d61d288026392508a6bf11129d9ab7312",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-26T11:10:22Z",
    "title_canon_sha256": "8d25b381a7d2befb0473073df8e1f88d4478e9c3171116d804fc9d3c8006ba2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08941",
    "kind": "arxiv",
    "version": 2
  }
}