Pith Number

pith:SLZ3PCBM

pith:2014:SLZ3PCBMK42LHEA2XIL6F5E7UM

not attested not anchored not stored refs pending

The complexity of approximating complex-valued Ising and Tutte partition functions

Heng Guo, Leslie Ann Goldberg

arxiv:1409.5627 v4 · 2014-09-19 · cs.CC · 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{SLZ3PCBMK42LHEA2XIL6F5E7UM}

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	2026-05-18T00:52:24.188341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92f3b7882c5734b3901aba17e2f49fa327de7b78ee6866a626251b06d85b53a8

Aliases

arxiv: 1409.5627 · arxiv_version: 1409.5627v4 · doi: 10.48550/arxiv.1409.5627 · pith_short_12: SLZ3PCBMK42L · pith_short_16: SLZ3PCBMK42LHEA2 · pith_short_8: SLZ3PCBM

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/SLZ3PCBMK42LHEA2XIL6F5E7UM \
  | 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: 92f3b7882c5734b3901aba17e2f49fa327de7b78ee6866a626251b06d85b53a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae7199671d21fc767380087117100e4f83f5a8b9e5f812ab1347200f5275b3be",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-09-19T12:36:33Z",
    "title_canon_sha256": "93384e0fa6560f011048cf6ecdc763aeb23e55d30c882806c4d48832f797edcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5627",
    "kind": "arxiv",
    "version": 4
  }
}