Pith Number

pith:WXVQ47Z7

pith:2026:WXVQ47Z7F73QTXUYSM7MH2UZEW

not attested not anchored not stored refs pending

Quantum states supported by matroids

Fei Shi, Lijun Zhang, Lvzhou Li, Xiaowei Huang

arxiv:2607.15548 v1 · 2026-07-17 · 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{WXVQ47Z7F73QTXUYSM7MH2UZEW}

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	2026-07-20T00:18:39.461811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5eb0e7f3f2ff709de98933ec3ea9925aa03affa0c4a688516b01e14b7a7c87d

Aliases

arxiv: 2607.15548 · arxiv_version: 2607.15548v1 · doi: 10.48550/arxiv.2607.15548 · pith_short_12: WXVQ47Z7F73Q · pith_short_16: WXVQ47Z7F73QTXUY · pith_short_8: WXVQ47Z7

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/WXVQ47Z7F73QTXUYSM7MH2UZEW \
  | 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: b5eb0e7f3f2ff709de98933ec3ea9925aa03affa0c4a688516b01e14b7a7c87d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a224e91e020b9956386a7528bbf6bf844df66a79d7f603b46d1246cda209fb6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-17T01:39:20Z",
    "title_canon_sha256": "c105e57863af3b4cfc0c164442ca52ec5299e7418b6cc14051600693b747030a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15548",
    "kind": "arxiv",
    "version": 1
  }
}