Pith Number

pith:P4OV7ZL6

pith:2007:P4OV7ZL6FL43FCTY5HD4YWWKQ6

not attested not anchored not stored refs pending

Computation at a distance

David Petrie Moulton, Lawren M. Smithline, Samuel A. Kutin

arxiv:quant-ph/0701194 v1 · 2007-01-26 · 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{P4OV7ZL6FL43FCTY5HD4YWWKQ6}

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.

Cited by

2 papers in Pith

Asymptotically Optimal Depth Fermionic Permutation on 2D Grid Quantum Architecture without Ancillas

Block Encoding of Sparse Matrices via Coherent Permutation

Receipt and verification

First computed	2026-07-04T14:59:05.836256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1d5fe57e2af9b28a78e9c7cc5aca87b8ec160418a6304b06e70dbdca6e40f6

Aliases

arxiv: quant-ph/0701194 · arxiv_version: quant-ph/0701194v1 · doi: 10.48550/arxiv.quant-ph/0701194 · pith_short_12: P4OV7ZL6FL43 · pith_short_16: P4OV7ZL6FL43FCTY · pith_short_8: P4OV7ZL6

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/P4OV7ZL6FL43FCTY5HD4YWWKQ6 \
  | 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: 7f1d5fe57e2af9b28a78e9c7cc5aca87b8ec160418a6304b06e70dbdca6e40f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4d7ad3eda75ee68d9f63597f42af527b1acef5eb7a4cd429282455ae78478b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-01-26T19:48:41Z",
    "title_canon_sha256": "58a9cd4482bd7ae2ebee18f62ca115102e88af96b3ef3550117c9f4725b4e7b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0701194",
    "kind": "arxiv",
    "version": 1
  }
}