Pith Number

pith:MASUJ6Q6

pith:2004:MASUJ6Q6SL3GG2AUN43IZSYJ5X

not attested not anchored not stored refs pending

Quantum Process Tomography of the Quantum Fourier Transform

David G. Cory, Joseph Emerson, Marcos Saraceno, Nicolas Boulant, Seth Lloyd, Timothy F. Havel, Yaakov S. Weinstein

arxiv:quant-ph/0406239 v1 · 2004-06-30 · 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{MASUJ6Q6SL3GG2AUN43IZSYJ5X}

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	2026-07-04T16:50:20.302720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

602544fa1e92f66368146f368ccb09edf740a4927921c3dd53b9212f327cf64e

Aliases

arxiv: quant-ph/0406239 · arxiv_version: quant-ph/0406239v1 · doi: 10.48550/arxiv.quant-ph/0406239 · pith_short_12: MASUJ6Q6SL3G · pith_short_16: MASUJ6Q6SL3GG2AU · pith_short_8: MASUJ6Q6

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/MASUJ6Q6SL3GG2AUN43IZSYJ5X \
  | 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: 602544fa1e92f66368146f368ccb09edf740a4927921c3dd53b9212f327cf64e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e9e893f45185db4b0f51a8e75b9c4b26c0efe1b36311055a425233576e1bd8b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-06-30T19:02:44Z",
    "title_canon_sha256": "d2d49a6c4547052124515a40f96f81dff34e7057c32ba6aeccc0517b478a84fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0406239",
    "kind": "arxiv",
    "version": 1
  }
}