Pith Number

pith:FRIEPGMA

pith:2017:FRIEPGMAQJ4Z6ZD5XDXO3WVBVW

not attested not anchored not stored refs pending

Optimal sequential measurements for bi-partite state discrimination

Graeme Weir, Sarah Croke, Stephen M. Barnett

arxiv:1704.01409 v1 · 2017-04-05 · 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{FRIEPGMAQJ4Z6ZD5XDXO3WVBVW}

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	2026-05-18T00:34:35.015604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c5047998082799f647db8eeeddaa1ad93d9f1229e0d215f3babbb0e24c92fe2

Aliases

arxiv: 1704.01409 · arxiv_version: 1704.01409v1 · doi: 10.48550/arxiv.1704.01409 · pith_short_12: FRIEPGMAQJ4Z · pith_short_16: FRIEPGMAQJ4Z6ZD5 · pith_short_8: FRIEPGMA

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/FRIEPGMAQJ4Z6ZD5XDXO3WVBVW \
  | 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: 2c5047998082799f647db8eeeddaa1ad93d9f1229e0d215f3babbb0e24c92fe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f67e1efc93f94662422147ad7902c2120a0fdb58c91fe1c27b0d2763637d626d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-05T13:31:36Z",
    "title_canon_sha256": "e90e0683e0cfac0e4eccab9a3aea8bade85b3f53ffe8c5feeb478c9f35ceffc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01409",
    "kind": "arxiv",
    "version": 1
  }
}