Pith Number

pith:VFVF6RZN

pith:2010:VFVF6RZN4FZXYDEMHTMKQ2Z4EW

not attested not anchored not stored refs pending

Entanglement in channel discrimination with restricted measurements

John Watrous, Marco Piani, William Matthews

arxiv:1004.0888 v1 · 2010-04-06 · 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{VFVF6RZN4FZXYDEMHTMKQ2Z4EW}

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	2026-05-18T04:26:54.124809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a96a5f472de1737c0c8c3cd8a86b3c25be0a24c956cb88e45e4318177ec1af84

Aliases

arxiv: 1004.0888 · arxiv_version: 1004.0888v1 · doi: 10.48550/arxiv.1004.0888 · pith_short_12: VFVF6RZN4FZX · pith_short_16: VFVF6RZN4FZXYDEM · pith_short_8: VFVF6RZN

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/VFVF6RZN4FZXYDEMHTMKQ2Z4EW \
  | 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: a96a5f472de1737c0c8c3cd8a86b3c25be0a24c956cb88e45e4318177ec1af84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0686b0fd41aafef1603b0971283a5e6b22323d44d4571e4bbb31f5804b441f2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-06T16:39:36Z",
    "title_canon_sha256": "428950ba8a61cdaf2a621138160d3936554769b693bc57ca2c3276a17325b888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0888",
    "kind": "arxiv",
    "version": 1
  }
}