Pith Number

pith:EPUCGNLT

pith:2012:EPUCGNLTMSKCCTR4W5YDHD36JW

not attested not anchored not stored refs pending

Macroscopic Schr\"odinger Cat Resistant to Particle Loss and Local Decoherence

Aditi Sen De, Ujjwal Sen, Utkarsh Mishra

arxiv:1207.5239 v1 · 2012-07-22 · 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{EPUCGNLTMSKCCTR4W5YDHD36JW}

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	2026-05-18T03:18:49.876372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e82335736494214e3cb770338f7e4d8c0a2ed804e7f866cdb5cb295930a829

Aliases

arxiv: 1207.5239 · arxiv_version: 1207.5239v1 · doi: 10.48550/arxiv.1207.5239 · pith_short_12: EPUCGNLTMSKC · pith_short_16: EPUCGNLTMSKCCTR4 · pith_short_8: EPUCGNLT

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/EPUCGNLTMSKCCTR4W5YDHD36JW \
  | 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: 23e82335736494214e3cb770338f7e4d8c0a2ed804e7f866cdb5cb295930a829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a73c43b92fefbea65718fc4d429bc15368799bfc95609bf2669ffc25b5982aeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-22T16:29:48Z",
    "title_canon_sha256": "4410f903002ec50227904fbc7611e6c71fa97a1f68af97fd2b0751d67b9d1e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5239",
    "kind": "arxiv",
    "version": 1
  }
}