Pith Number

pith:SK3V5MKR

pith:2014:SK3V5MKRT4Q2RDZGVXRIGILVIC

not attested not anchored not stored refs pending

Entanglement entropy and Schmidt numbers in quantum networks of coupled quantum oscillator

F. Eghbalifam, M. A. Jafarizadeh, S. Nami

arxiv:1407.4044 v1 · 2014-07-15 · 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{SK3V5MKRT4Q2RDZGVXRIGILVIC}

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	2026-05-18T00:56:58.960922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92b75eb1519f21a88f26ade283217540a014fb94044defb5b7e63e02058d817f

Aliases

arxiv: 1407.4044 · arxiv_version: 1407.4044v1 · doi: 10.48550/arxiv.1407.4044 · pith_short_12: SK3V5MKRT4Q2 · pith_short_16: SK3V5MKRT4Q2RDZG · pith_short_8: SK3V5MKR

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/SK3V5MKRT4Q2RDZGVXRIGILVIC \
  | 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: 92b75eb1519f21a88f26ade283217540a014fb94044defb5b7e63e02058d817f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa10f830385c2fbbe2df4c73884291e3ab72e5447ecdedfc8ef986eda9ef8ff9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-15T16:30:06Z",
    "title_canon_sha256": "f36763f07fbc97f518b9f9264015d7f55ede3d33024689d0558ef08b8aedfd92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4044",
    "kind": "arxiv",
    "version": 1
  }
}