pith. sign in
Pith Number

pith:2SDPDGVB

pith:2015:2SDPDGVBPBNN6HAU7HY26WCOZQ
not attested not anchored not stored refs pending

The minimum rank problem for circulants

Louis Deaett, Seth A. Meyer

arxiv:1511.07920 v1 · 2015-11-24 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2SDPDGVBPBNN6HAU7HY26WCOZQ}

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 2026-05-18T01:26:02.231830Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d486f19aa1785adf1c14f9f1af584ecc2c630f9f902374d7e1ac2d9c250c32da

Aliases

arxiv: 1511.07920 · arxiv_version: 1511.07920v1 · doi: 10.48550/arxiv.1511.07920 · pith_short_12: 2SDPDGVBPBNN · pith_short_16: 2SDPDGVBPBNN6HAU · pith_short_8: 2SDPDGVB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2SDPDGVBPBNN6HAU7HY26WCOZQ \
  | 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: d486f19aa1785adf1c14f9f1af584ecc2c630f9f902374d7e1ac2d9c250c32da
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6801d707facc0ee37f01e335adadbd5969516f962c2a6fa0f9714b1f2b8d5d79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-24T23:45:24Z",
    "title_canon_sha256": "32f33d39c0e68fa81e67fa2f67dae3c4f456f19ee52a5a85933a0eab40445a11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07920",
    "kind": "arxiv",
    "version": 1
  }
}