Pith Number

pith:D3L4OAHI

pith:2022:D3L4OAHIVAC42ZYQV5M7TDKJZT

not attested not anchored not stored refs pending

Orthogonal realizations of random sign patterns and other applications of the SIPP

Bryan A. Curtis, Christopher Cox, Conor Thompson, Enrique Gomez-Leos, Kimberly P. Hadaway, Leslie Hogben, Zachary Brennan

arxiv:2212.05207 v1 · 2022-12-10 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3L4OAHIVAC42ZYQV5M7TDKJZT}

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	2026-07-05T05:24:01.384653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed7c700e8a805cd6710af59f98d49cccc70490ea6bb885d821a6810231b179d

Aliases

arxiv: 2212.05207 · arxiv_version: 2212.05207v1 · doi: 10.48550/arxiv.2212.05207 · pith_short_12: D3L4OAHIVAC4 · pith_short_16: D3L4OAHIVAC42ZYQ · pith_short_8: D3L4OAHI

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/D3L4OAHIVAC42ZYQV5M7TDKJZT \
  | 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: 1ed7c700e8a805cd6710af59f98d49cccc70490ea6bb885d821a6810231b179d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f3fd052411b95fcd10db12e3cee091c1091bc5d0c50679c7b0fe2cee2d7cfa1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-12-10T05:12:44Z",
    "title_canon_sha256": "4c0758bdfb92861494d182deda530673e3a03a4b84b90979a8cc0bab6606bd46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05207",
    "kind": "arxiv",
    "version": 1
  }
}