Pith Number

pith:6W6HWS2L

pith:2021:6W6HWS2LBEZYCXCHJH3LDZ3RV2

not attested not anchored not stored refs pending

Measuring relational information between quantum states, and applications

Daniel J. Brod, Ernesto F. Galv\~ao, Micha{\l} Oszmaniec

arxiv:2109.10006 v1 · 2021-09-21 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6W6HWS2LBEZYCXCHJH3LDZ3RV2}

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.

Cited by

1 paper in Pith

Characterizing quantum state-space with a single quantum measurement

Receipt and verification

First computed	2026-07-05T03:15:56.957225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5bc7b4b4b0933815c4749f6b1e771ae8922144e5a0e36624fc6bff7b9f0374d

Aliases

arxiv: 2109.10006 · arxiv_version: 2109.10006v1 · doi: 10.48550/arxiv.2109.10006 · pith_short_12: 6W6HWS2LBEZY · pith_short_16: 6W6HWS2LBEZYCXCH · pith_short_8: 6W6HWS2L

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/6W6HWS2LBEZYCXCHJH3LDZ3RV2 \
  | 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: f5bc7b4b4b0933815c4749f6b1e771ae8922144e5a0e36624fc6bff7b9f0374d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7638ed032a5e46fc5ccdddb7265fa29f844d8f82193d76735b348f5b0b97191",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-21T07:23:12Z",
    "title_canon_sha256": "508c785ae3527adebed6d2c1c19f49900070773689480abeac452925273ba308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10006",
    "kind": "arxiv",
    "version": 1
  }
}