Pith Number

pith:OSUVT3XA

pith:2015:OSUVT3XASRQBDH3OYDRXSKCQMC

not attested not anchored not stored refs pending

Creation of superposition of unknown quantum states

Andrzej Grudka, Antoni W\'ojcik, Micha{\l} Horodecki, Micha{\l} Oszmaniec

arxiv:1505.04955 v4 · 2015-05-19 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSUVT3XASRQBDH3OYDRXSKCQMC}

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	2026-05-18T01:18:33.762740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74a959eee09460119f6ec0e379285060be252259b1aa6bc0b36b1b50efccd3ba

Aliases

arxiv: 1505.04955 · arxiv_version: 1505.04955v4 · doi: 10.48550/arxiv.1505.04955 · pith_short_12: OSUVT3XASRQB · pith_short_16: OSUVT3XASRQBDH3O · pith_short_8: OSUVT3XA

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/OSUVT3XASRQBDH3OYDRXSKCQMC \
  | 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: 74a959eee09460119f6ec0e379285060be252259b1aa6bc0b36b1b50efccd3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fbd88be001964e26562dbc65f159cc0e6b4adf4b275dc96ce9aa000974c92e4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-19T11:06:39Z",
    "title_canon_sha256": "951f61319317cec841a64061a586daef78abe9a06a5acc803a4ca433fdf5809b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04955",
    "kind": "arxiv",
    "version": 4
  }
}