Pith Number

pith:QRMYAHP2

pith:2018:QRMYAHP2ABE32N3JJYPWHCGEAB

not attested not anchored not stored refs pending

Hamming weight and tight constraints of multi-qubit entanglement in terms of unified entropy

Jeong San Kim

arxiv:1801.09882 v1 · 2018-01-30 · 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{QRMYAHP2ABE32N3JJYPWHCGEAB}

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	2026-05-18T00:07:50.062248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8459801dfa0049bd37694e1f6388c4005a625f5db60f90ff58855693ca2629a9

Aliases

arxiv: 1801.09882 · arxiv_version: 1801.09882v1 · doi: 10.48550/arxiv.1801.09882 · pith_short_12: QRMYAHP2ABE3 · pith_short_16: QRMYAHP2ABE32N3J · pith_short_8: QRMYAHP2

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/QRMYAHP2ABE32N3JJYPWHCGEAB \
  | 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: 8459801dfa0049bd37694e1f6388c4005a625f5db60f90ff58855693ca2629a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f13fffd0e73e2003d087f60fbc5a3aec39439ce0acd373aefc6ca626d8be4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-30T08:07:51Z",
    "title_canon_sha256": "f2f3bc3a14ea368f66d80f77797a6132ea726d9e467bf0182b040e0c64348a69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09882",
    "kind": "arxiv",
    "version": 1
  }
}