Pith Number

pith:ULTYVAXB

pith:2012:ULTYVAXBO66Q2XL2J2ZWDF36XE

not attested not anchored not stored refs pending

Using quantum state protection via dissipation in a quantum-dot molecule to solve the Deutsch problem

A. M. Alcalde, E. I. Duzzioni, F. O. Prado, H. S. Borges, J. M. Villas-B\^oas, M. M. Santos

arxiv:1203.4444 v1 · 2012-03-20 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULTYVAXBO66Q2XL2J2ZWDF36XE}

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	2026-05-18T03:59:39.079213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e78a82e177bd0d5d7a4eb361977eb906640fac166f187e2abe9fb1867be0b9

Aliases

arxiv: 1203.4444 · arxiv_version: 1203.4444v1 · doi: 10.48550/arxiv.1203.4444 · pith_short_12: ULTYVAXBO66Q · pith_short_16: ULTYVAXBO66Q2XL2 · pith_short_8: ULTYVAXB

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/ULTYVAXBO66Q2XL2J2ZWDF36XE \
  | 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: a2e78a82e177bd0d5d7a4eb361977eb906640fac166f187e2abe9fb1867be0b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393bd785069f17224639275ace2cb2595f27d6c847f3be90798b2df9a1407835",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-20T14:07:04Z",
    "title_canon_sha256": "dae8c29db03713f407ae965061abf0804b691c0f6f3e483147d966e3cf92983a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4444",
    "kind": "arxiv",
    "version": 1
  }
}