Pith Number

pith:CTUSP7FQ

pith:2024:CTUSP7FQ7FBLHDWIOQ6SPC7OPH

not attested not anchored not stored refs pending

Constructing strictly sign regular matrices of all sizes and sign patterns

Projesh Nath Choudhury, Shivangi Yadav

arxiv:2411.14287 v2 · 2024-11-21 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTUSP7FQ7FBLHDWIOQ6SPC7OPH}

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	2026-07-05T10:48:21.671386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e927fcb0f942b38ec8743d278bee79c265358d46af6b0a906b30abfea6165d

Aliases

arxiv: 2411.14287 · arxiv_version: 2411.14287v2 · doi: 10.48550/arxiv.2411.14287 · pith_short_12: CTUSP7FQ7FBL · pith_short_16: CTUSP7FQ7FBLHDWI · pith_short_8: CTUSP7FQ

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/CTUSP7FQ7FBLHDWIOQ6SPC7OPH \
  | 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: 14e927fcb0f942b38ec8743d278bee79c265358d46af6b0a906b30abfea6165d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ff40f39e11ee3f7ef4d6c3aff2e18eb50c84eaabe86f32674eede36892514b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2024-11-21T16:35:57Z",
    "title_canon_sha256": "d2718d2710fccab3c3102130c5587a6ae1155c19bbea4f552e093569008b3f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14287",
    "kind": "arxiv",
    "version": 2
  }
}