Pith Number

pith:BIYCQKBT

pith:2015:BIYCQKBTKFXOLID2F5IXX6IQLC

not attested not anchored not stored refs pending

Optimal Measurements for Symmetric Quantum States with Applications to Optical Communication

Hari Krovi, Marcus P. da Silva, Saikat Guha, Zachary Dutton

arxiv:1507.04737 v1 · 2015-07-16 · 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{BIYCQKBTKFXOLID2F5IXX6IQLC}

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	2026-05-18T01:23:39.905211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a30282833516ee5a07a2f517bf9105881da4548d509af58129111a2ed29bdb5

Aliases

arxiv: 1507.04737 · arxiv_version: 1507.04737v1 · doi: 10.48550/arxiv.1507.04737 · pith_short_12: BIYCQKBTKFXO · pith_short_16: BIYCQKBTKFXOLID2 · pith_short_8: BIYCQKBT

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/BIYCQKBTKFXOLID2F5IXX6IQLC \
  | 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: 0a30282833516ee5a07a2f517bf9105881da4548d509af58129111a2ed29bdb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bdad9c8f89c779604e087cc084cfa882c621bdd48950c84b5d618ed39caa41f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-16T19:57:53Z",
    "title_canon_sha256": "437fcffb65fdaac0f3f65c8fa4b78a46f1ffd41779ea680437219de24a6f744b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04737",
    "kind": "arxiv",
    "version": 1
  }
}