Pith Number

pith:KYKDGBGY

pith:2010:KYKDGBGYWVP6YXLKKJBZ5TLWRO

not attested not anchored not stored refs pending

Local discrimination of mixed states

E. Bagan, J. Calsamiglia, J. I. de Vicente, R. Munoz-Tapia

arxiv:1004.5522 v1 · 2010-04-30 · 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{KYKDGBGYWVP6YXLKKJBZ5TLWRO}

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	2026-05-18T04:41:05.867832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56143304d8b55fec5d6a52439ecd768ba30b464e3bdc30be9c3ce935e2a6e04b

Aliases

arxiv: 1004.5522 · arxiv_version: 1004.5522v1 · doi: 10.48550/arxiv.1004.5522 · pith_short_12: KYKDGBGYWVP6 · pith_short_16: KYKDGBGYWVP6YXLK · pith_short_8: KYKDGBGY

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/KYKDGBGYWVP6YXLKKJBZ5TLWRO \
  | 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: 56143304d8b55fec5d6a52439ecd768ba30b464e3bdc30be9c3ce935e2a6e04b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e28d31503784f0ef7f610cc44d9065a989e640265d2fc439e41fb8757edd6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-30T13:22:10Z",
    "title_canon_sha256": "54ddf99d1ced3fcb004c7e257c1115a9555e6d159feb7160f13d6966f809523c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5522",
    "kind": "arxiv",
    "version": 1
  }
}