Pith Number

pith:DM4WGFEO

pith:2002:DM4WGFEOBDN4MEO3DPWX626DIZ

not attested not anchored not stored refs pending

Introduction to NMR Quantum Information Processing

C. Miquel, C. Negrevergne, D.G. Cory, E. Knill, E.M. Fortunato, G. Ortiz, L. Viola, M.A. Pravia, R. Laflamme, R. Martinez, R. Somma, S. Sinha, T. Havel, Y. Sharf

arxiv:quant-ph/0207172 v1 · 2002-07-30 · 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{DM4WGFEOBDN4MEO3DPWX626DIZ}

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	2026-07-04T14:45:59.465876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b3963148e08dbc611db1bed7f6bc34660cbdd38b877aa1ce7856b91ad940d46

Aliases

arxiv: quant-ph/0207172 · arxiv_version: quant-ph/0207172v1 · doi: 10.48550/arxiv.quant-ph/0207172 · pith_short_12: DM4WGFEOBDN4 · pith_short_16: DM4WGFEOBDN4MEO3 · pith_short_8: DM4WGFEO

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/DM4WGFEOBDN4MEO3DPWX626DIZ \
  | 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: 1b3963148e08dbc611db1bed7f6bc34660cbdd38b877aa1ce7856b91ad940d46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d427466d88561b7b80229e870ebb36d5e59a78c9d3064dfd2937095a980a847",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-07-30T06:33:22Z",
    "title_canon_sha256": "c0043255d39db346109ab61e233aed6473d8c305db054f6ab829755f69c4c41c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0207172",
    "kind": "arxiv",
    "version": 1
  }
}