Pith Number

pith:662M32RR

pith:2012:662M32RRV56IIY6HLIOGHZH7MW

not attested not anchored not stored refs pending

Quantum speed limit for physical processes

B. M. Escher, L. Davidovich, M. M. Taddei, R. L. de Matos Filho

arxiv:1209.0362 v2 · 2012-09-03 · 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{662M32RRV56IIY6HLIOGHZH7MW}

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	2026-05-18T03:34:59.163758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b4cdea31af7c8463c75a1c63e4ff6595b1bf71bc2567549078182e4414b0ce

Aliases

arxiv: 1209.0362 · arxiv_version: 1209.0362v2 · doi: 10.48550/arxiv.1209.0362 · pith_short_12: 662M32RRV56I · pith_short_16: 662M32RRV56IIY6H · pith_short_8: 662M32RR

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/662M32RRV56IIY6HLIOGHZH7MW \
  | 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: f7b4cdea31af7c8463c75a1c63e4ff6595b1bf71bc2567549078182e4414b0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf7c377235c85891b2475f79fb0efca87a3d56739284d4e24aa86abfb1a44fcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-03T14:07:14Z",
    "title_canon_sha256": "df4eeb0cce08c9bbb963abfaaaa46050164fc05b6e74f7b134c8b10eb7c5c401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0362",
    "kind": "arxiv",
    "version": 2
  }
}