pith. sign in
Pith Number

pith:VFHDRFV5

pith:2013:VFHDRFV5VZBU6FXKCIWEG2KYES
not attested not anchored not stored refs pending

Quantum discord of SU(2) invariant states

B. \c{C}akmak, Z. Gedik

arxiv:1305.6879 v5 · 2013-05-29 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VFHDRFV5VZBU6FXKCIWEG2KYES}

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 2026-05-18T03:08:07.113113Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a94e3896bdae434f16ea122c4369582480e500d036a71fb20b1b8778a77d8fae

Aliases

arxiv: 1305.6879 · arxiv_version: 1305.6879v5 · doi: 10.48550/arxiv.1305.6879 · pith_short_12: VFHDRFV5VZBU · pith_short_16: VFHDRFV5VZBU6FXK · pith_short_8: VFHDRFV5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VFHDRFV5VZBU6FXKCIWEG2KYES \
  | 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: a94e3896bdae434f16ea122c4369582480e500d036a71fb20b1b8778a77d8fae
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f599531ed84fca01fc82482d2aae8b61793010d1920ee702787bd7ed12a21c52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-29T17:41:02Z",
    "title_canon_sha256": "9974681799998e39c2a58e05d0a62f7b5ef85e162384fd5a82b5e09b1f58116f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6879",
    "kind": "arxiv",
    "version": 5
  }
}