Pith Number

pith:O4IHHWGM

pith:2014:O4IHHWGMEQKSRRLPD4ELI2NC2P

not attested not anchored not stored refs pending

Quantum-speed-limit time for multiqubit open systems

Chen Liu, Shiqun Zhu, Zhen-Yu Xu

arxiv:1410.8239 v2 · 2014-10-30 · 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{O4IHHWGMEQKSRRLPD4ELI2NC2P}

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	2026-05-18T02:22:29.253354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771073d8cc241528c56f1f08b469a2d3eba79669d8f1254f39895553357dfec9

Aliases

arxiv: 1410.8239 · arxiv_version: 1410.8239v2 · doi: 10.48550/arxiv.1410.8239 · pith_short_12: O4IHHWGMEQKS · pith_short_16: O4IHHWGMEQKSRRLP · pith_short_8: O4IHHWGM

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/O4IHHWGMEQKSRRLPD4ELI2NC2P \
  | 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: 771073d8cc241528c56f1f08b469a2d3eba79669d8f1254f39895553357dfec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae05c3c649bc02cda8a973a0a59e03b884d06d12591b88cca87fb3361678cd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-10-30T03:23:17Z",
    "title_canon_sha256": "5187007d8e24682cbb514f3000ef98e0128b9a176d573bb343431505773eed33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8239",
    "kind": "arxiv",
    "version": 2
  }
}