Pith Number

pith:OQSBQ4IS

pith:2000:OQSBQ4ISJUCII3J7XAOHDYWMPP

not attested not anchored not stored refs pending

Preparation of pseudo-pure states by line-selective pulses in Nuclear Magnetic Resonance

Keli Gao, Maili Liu, Mang Feng, Xiaodong Yang, Ximing Fang, Xinhua Peng, Xiwen Zhu

arxiv:quant-ph/0012038 v2 · 2000-12-08 · 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{OQSBQ4ISJUCII3J7XAOHDYWMPP}

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	2026-07-04T23:57:39.852620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74241871124d04846d3fb81c71e2cc7bc81fa2b7ee104d98589b425723101bd2

Aliases

arxiv: quant-ph/0012038 · arxiv_version: quant-ph/0012038v2 · doi: 10.48550/arxiv.quant-ph/0012038 · pith_short_12: OQSBQ4ISJUCI · pith_short_16: OQSBQ4ISJUCII3J7 · pith_short_8: OQSBQ4IS

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/OQSBQ4ISJUCII3J7XAOHDYWMPP \
  | 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: 74241871124d04846d3fb81c71e2cc7bc81fa2b7ee104d98589b425723101bd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4f1cc651d640a23bb2653aef4830410334acbf794f11600f0c3434c11c7708",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-12-08T08:02:47Z",
    "title_canon_sha256": "a73300b0c5182f9e615c9aaf7da22246688fb31d83524761e1abba30105848fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0012038",
    "kind": "arxiv",
    "version": 2
  }
}