Pith Number

pith:ONMJKKXZ

pith:2001:ONMJKKXZ4AOOFT2S74DZ2NTOYR

not attested not anchored not stored refs pending

The quantum dynamics of two coupled qubits

B. C. Sanders, E. Knill, G. J. Milburn, R. Laflamme

arxiv:quant-ph/0112001 v1 · 2001-11-30 · 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{ONMJKKXZ4AOOFT2S74DZ2NTOYR}

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	2026-07-04T16:29:43.965879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7358952af9e01ce2cf52ff079d366ec453d4dfdb7bf4ab663dc06ae6e15f60f6

Aliases

arxiv: quant-ph/0112001 · arxiv_version: quant-ph/0112001v1 · doi: 10.48550/arxiv.quant-ph/0112001 · pith_short_12: ONMJKKXZ4AOO · pith_short_16: ONMJKKXZ4AOOFT2S · pith_short_8: ONMJKKXZ

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/ONMJKKXZ4AOOFT2S74DZ2NTOYR \
  | 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: 7358952af9e01ce2cf52ff079d366ec453d4dfdb7bf4ab663dc06ae6e15f60f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac89ac1e7642e657faa8e6bc75fdbe044fe6233d260bc23b96c645a05480afbb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-11-30T22:16:11Z",
    "title_canon_sha256": "1d576dd7651af9a26e16d0d6af21f3d76b48a0c7832ec7fb381c7974bfc3e9d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112001",
    "kind": "arxiv",
    "version": 1
  }
}