Pith Number

pith:5UAPYFP4

pith:2005:5UAPYFP4I26AFUCAUVLZGPKW5S

not attested not anchored not stored refs pending

Unconditional fidelity thresholds in single copy distillation and some aspects of quantum error correction

Maciej Demianowicz, Pawel Horodecki

arxiv:quant-ph/0501105 v1 · 2005-01-20 · 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{5UAPYFP4I26AFUCAUVLZGPKW5S}

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	2026-07-04T16:57:28.565081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed00fc15fc46bc02d040a557933d56ecb26164fb2a6bc5467a64bd66822098f0

Aliases

arxiv: quant-ph/0501105 · arxiv_version: quant-ph/0501105v1 · doi: 10.48550/arxiv.quant-ph/0501105 · pith_short_12: 5UAPYFP4I26A · pith_short_16: 5UAPYFP4I26AFUCA · pith_short_8: 5UAPYFP4

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/5UAPYFP4I26AFUCAUVLZGPKW5S \
  | 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: ed00fc15fc46bc02d040a557933d56ecb26164fb2a6bc5467a64bd66822098f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbfed9b8d539ea1a16bced9f86958852caf5c2921eb79638c1244492a37f66ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-01-20T14:12:22Z",
    "title_canon_sha256": "68f32c767202303d4fa75d2af2a278dca5a891c32fb29168c7bdfead59c6a726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0501105",
    "kind": "arxiv",
    "version": 1
  }
}