Pith Number

pith:TD2SJYLS

pith:2007:TD2SJYLSUAAQY7L3BO26XZCR7B

not attested not anchored not stored refs pending

Hybrid Quantum Cloning Machine

A. K. Pati, B. S. Choudhury, Indranil Chakrabarty, Satyabrata Adhikari

arxiv:0705.0631 v2 · 2007-05-04 · 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{TD2SJYLSUAAQY7L3BO26XZCR7B}

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	2026-05-18T04:09:16.780235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f524e172a0010c7d7b0bb5ebe451f860474925e79834a95929d271153a103d

Aliases

arxiv: 0705.0631 · arxiv_version: 0705.0631v2 · doi: 10.48550/arxiv.0705.0631 · pith_short_12: TD2SJYLSUAAQ · pith_short_16: TD2SJYLSUAAQY7L3 · pith_short_8: TD2SJYLS

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/TD2SJYLSUAAQY7L3BO26XZCR7B \
  | 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: 98f524e172a0010c7d7b0bb5ebe451f860474925e79834a95929d271153a103d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2919004e470c421b52c37aa649296d62e1d4effdf192a823737d9ffefd0fcc20",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-05-04T14:38:00Z",
    "title_canon_sha256": "90e888f7480128a53102a22bf10ad57c96bd90e744ecc4acd104b0e219b103ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0631",
    "kind": "arxiv",
    "version": 2
  }
}