Pith Number

pith:32M6IK4J

pith:2017:32M6IK4JC3WDNUWVSP275OZAUT

not attested not anchored not stored refs pending

Performance of quantum cloning and deleting machines over coherence

Ajoy Sen, Debasis Sarkar, Sumana Karmakar

arxiv:1708.04220 v1 · 2017-08-14 · 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{32M6IK4JC3WDNUWVSP275OZAUT}

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	2026-05-18T00:38:06.759235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de99e42b8916ec36d2d593f5febb20a4db8f7176b2d5440d082b1b4fbb1a581f

Aliases

arxiv: 1708.04220 · arxiv_version: 1708.04220v1 · doi: 10.48550/arxiv.1708.04220 · pith_short_12: 32M6IK4JC3WD · pith_short_16: 32M6IK4JC3WDNUWV · pith_short_8: 32M6IK4J

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/32M6IK4JC3WDNUWVSP275OZAUT \
  | 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: de99e42b8916ec36d2d593f5febb20a4db8f7176b2d5440d082b1b4fbb1a581f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e439870bad379dbe289d385f5a493799ba4a8b07994c080ce37b9d29af7fb343",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-14T17:35:15Z",
    "title_canon_sha256": "056718f8a54b72563addfc60d1212c9cdf44821b632d522dbcc666ba8aba57cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04220",
    "kind": "arxiv",
    "version": 1
  }
}