Pith Number

pith:JCAMRSUM

pith:2018:JCAMRSUM6QFRSTF5IQSPTSAH35

not attested not anchored not stored refs pending

Tetrapartite entanglement measures of W-Class in noninertial frames

Ariadna J. Torres-Arenas, Edgar O. Lopez-Zuniga, Guo-Hua Sun, J. Antonio Saldana-Herrera, Qian Dong, Shi-Hai Dong

arxiv:1810.03951 v2 · 2018-10-09 · 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{JCAMRSUM6QFRSTF5IQSPTSAH35}

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	2026-05-17T23:55:11.474583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4880c8ca8cf40b194cbd4424f9c807df7321b1a830e95a654d7e752e84843ae8

Aliases

arxiv: 1810.03951 · arxiv_version: 1810.03951v2 · doi: 10.48550/arxiv.1810.03951 · pith_short_12: JCAMRSUM6QFR · pith_short_16: JCAMRSUM6QFRSTF5 · pith_short_8: JCAMRSUM

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/JCAMRSUM6QFRSTF5IQSPTSAH35 \
  | 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: 4880c8ca8cf40b194cbd4424f9c807df7321b1a830e95a654d7e752e84843ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7edec9a476182bb517f3bc286432c7d4df82ff641b463459e8271eda23d049e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-09T13:18:54Z",
    "title_canon_sha256": "1da6d74e1c99e34a038e53772d50ccc06374c2b640cd0bb423d72e49d01d51a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03951",
    "kind": "arxiv",
    "version": 2
  }
}