Pith Number

pith:KG5ROGFZ

pith:2009:KG5ROGFZIEMPLOF7UNZAN6LIPH

not attested not anchored not stored refs pending

The fundamental limit on the rate of quantum dynamics: the unified bound is tight

Lev B. Levitin, Tommaso Toffoli

arxiv:0905.3417 v2 · 2009-05-20 · 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{KG5ROGFZIEMPLOF7UNZAN6LIPH}

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	2026-05-18T02:13:38.272490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51bb1718b94118f5b8bfa37206f96879f1d8cd8513b3f701a61455326900b3da

Aliases

arxiv: 0905.3417 · arxiv_version: 0905.3417v2 · doi: 10.48550/arxiv.0905.3417 · pith_short_12: KG5ROGFZIEMP · pith_short_16: KG5ROGFZIEMPLOF7 · pith_short_8: KG5ROGFZ

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/KG5ROGFZIEMPLOF7UNZAN6LIPH \
  | 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: 51bb1718b94118f5b8bfa37206f96879f1d8cd8513b3f701a61455326900b3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e02a5685bcd4ddede05d2315494e266ecd995f5b565b9061c7fde5437099ca9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-20T23:15:28Z",
    "title_canon_sha256": "2e05e31f26a165d34352640843f81d9a6ff1a0a2a07a5230c8cc900ce03fc9cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3417",
    "kind": "arxiv",
    "version": 2
  }
}