Pith Number

pith:43JJBJQ2

pith:2019:43JJBJQ22Y43EFNYNIVGQN7MEO

not attested not anchored not stored refs pending

Decomposition of symmetric multipartite observable

Chenghao Guo, Xiongfeng Ma, You Zhou

arxiv:1902.07496 v2 · 2019-02-20 · 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{43JJBJQ22Y43EFNYNIVGQN7MEO}

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	2026-05-17T23:45:52.004720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d290a61ad639b215b86a2a6837ec23b0fabcaca9bb297e55a085ec9d58ea9f

Aliases

arxiv: 1902.07496 · arxiv_version: 1902.07496v2 · doi: 10.48550/arxiv.1902.07496 · pith_short_12: 43JJBJQ22Y43 · pith_short_16: 43JJBJQ22Y43EFNY · pith_short_8: 43JJBJQ2

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/43JJBJQ22Y43EFNYNIVGQN7MEO \
  | 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: e6d290a61ad639b215b86a2a6837ec23b0fabcaca9bb297e55a085ec9d58ea9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647c7290fec520c511ba0383c3c5a243ae476818a8ee5b2534deca9b5f7e2b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-20T10:45:16Z",
    "title_canon_sha256": "e8c31b6e4fad8332c63b876eee7b3f26812f2bef17ef316dd33f8cefdd6e3ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07496",
    "kind": "arxiv",
    "version": 2
  }
}