Pith Number

pith:NF4ULAIG

pith:2002:NF4ULAIGB26PUZFY2K3BXL4QBG

not attested not anchored not stored refs pending

Inhibiting decoherence via ancilla processes

Christoph H. Keitel, Guihua Zeng

arxiv:quant-ph/0203012 v1 · 2002-03-04 · 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{NF4ULAIGB26PUZFY2K3BXL4QBG}

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	2026-07-04T16:36:00.415864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69794581060ebcfa64b8d2b61baf900985d7b3f93c6d037f0333330e8214a409

Aliases

arxiv: quant-ph/0203012 · arxiv_version: quant-ph/0203012v1 · doi: 10.48550/arxiv.quant-ph/0203012 · pith_short_12: NF4ULAIGB26P · pith_short_16: NF4ULAIGB26PUZFY · pith_short_8: NF4ULAIG

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/NF4ULAIGB26PUZFY2K3BXL4QBG \
  | 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: 69794581060ebcfa64b8d2b61baf900985d7b3f93c6d037f0333330e8214a409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eefe39b06a84d2627a30ec9780888dccbf823926c82fca2421f9f4c778119ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-03-04T17:03:12Z",
    "title_canon_sha256": "2637b6f14c43998257efc10b82588154dbf9bd9e487424ad4fd82b8977b1c4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0203012",
    "kind": "arxiv",
    "version": 1
  }
}