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Pith Number

pith:FTNE3NXD

pith:2023:FTNE3NXDVTKU365AQWR2M3BN2Z
not attested not anchored not stored refs pending

NP-Hardness of Tensor Network Contraction Ordering

Guoqi Li, Hanwen Zhang, Jianyu Xu, Lei Deng, Ling Liang, Yuan Xie

arxiv:2310.06140 v1 · 2023-10-09 · cs.CC · math.CO

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\usepackage{pith}
\pithnumber{FTNE3NXDVTKU365AQWR2M3BN2Z}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T06:59:06.086116Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2cda4db6e3acd54dfba085a3a66c2dd64b33fdaadc8f301667ac39b576049864

Aliases

arxiv: 2310.06140 · arxiv_version: 2310.06140v1 · doi: 10.48550/arxiv.2310.06140 · pith_short_12: FTNE3NXDVTKU · pith_short_16: FTNE3NXDVTKU365A · pith_short_8: FTNE3NXD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FTNE3NXDVTKU365AQWR2M3BN2Z \
  | 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: 2cda4db6e3acd54dfba085a3a66c2dd64b33fdaadc8f301667ac39b576049864
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "54e76491ea1edbcde382bff8999a29fe12e6b479ceaa383f63322bbe467bd3cd",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2023-10-09T20:39:18Z",
    "title_canon_sha256": "fa385061cfa2e9c18527ef95eb94805d4448cc80465acaae493beb464a700b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.06140",
    "kind": "arxiv",
    "version": 1
  }
}