Pith Number

pith:ZUHVGFGZ

pith:2015:ZUHVGFGZ3CGOGT23NKXHZQOIV3

not attested not anchored not stored refs pending

An efficient tree decomposition method for permanents and mixed discriminants

Diego Cifuentes, Pablo A. Parrilo

arxiv:1507.03046 v1 · 2015-07-10 · cs.DM · cs.CC · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUHVGFGZ3CGOGT23NKXHZQOIV3}

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	2026-05-18T01:17:52.728671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd0f5314d9d88ce34f5b6aae7cc1c8aec83ce8846f8186bdbb410278bd4afa15

Aliases

arxiv: 1507.03046 · arxiv_version: 1507.03046v1 · doi: 10.48550/arxiv.1507.03046 · pith_short_12: ZUHVGFGZ3CGO · pith_short_16: ZUHVGFGZ3CGOGT23 · pith_short_8: ZUHVGFGZ

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/ZUHVGFGZ3CGOGT23NKXHZQOIV3 \
  | 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: cd0f5314d9d88ce34f5b6aae7cc1c8aec83ce8846f8186bdbb410278bd4afa15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "380ca852ddb359316fb8e7eaf6672ce3eb2d1f8167f0d4e6aa547e1f9b47b79d",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-07-10T23:26:53Z",
    "title_canon_sha256": "8d861ab355e198dd814c2bfbdc06f9a2f4da684be40fe0147f71a5615116e35c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03046",
    "kind": "arxiv",
    "version": 1
  }
}