Pith Number

pith:CTHWD2DK

pith:2013:CTHWD2DK3SRHROVHK3OQRKJXXL

not attested not anchored not stored refs pending

Amplification, Redundancy, and the Quantum Chernoff Information

C. Jess Riedel, Michael Zwolak, Wojciech H. Zurek

arxiv:1312.5373 v2 · 2013-12-18 · 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{CTHWD2DK3SRHROVHK3OQRKJXXL}

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	2026-05-18T02:54:20.997581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14cf61e86adca278baa756dd08a937baef60d2c40295a8564cf3f74bfc579a42

Aliases

arxiv: 1312.5373 · arxiv_version: 1312.5373v2 · doi: 10.48550/arxiv.1312.5373 · pith_short_12: CTHWD2DK3SRH · pith_short_16: CTHWD2DK3SRHROVH · pith_short_8: CTHWD2DK

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/CTHWD2DK3SRHROVHK3OQRKJXXL \
  | 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: 14cf61e86adca278baa756dd08a937baef60d2c40295a8564cf3f74bfc579a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3695f117165d9c4cc43d6fd98f26c0644a25999839adbc3bc4c3e37f3a4235c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-18T23:32:18Z",
    "title_canon_sha256": "faca430afcb5ed19c7764b09cd55609f76d318d6a7578542041e8294f6dbc89e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5373",
    "kind": "arxiv",
    "version": 2
  }
}