Pith Number

pith:24C7LPTU

pith:2018:24C7LPTUPX3Y65C3GVMWIZAWCA

not attested not anchored not stored refs pending

Determinants of Interval Matrices

Jaroslav Hor\'a\v{c}ek, Josef Mat\v{e}jka, Milan Hlad\'ik

arxiv:1809.03736 v1 · 2018-09-11 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24C7LPTUPX3Y65C3GVMWIZAWCA}

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	2026-05-18T00:05:59.971412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d705f5be747df78f745b3559646416100eb6f6151aacc76839f40896215c852a

Aliases

arxiv: 1809.03736 · arxiv_version: 1809.03736v1 · doi: 10.48550/arxiv.1809.03736 · pith_short_12: 24C7LPTUPX3Y · pith_short_16: 24C7LPTUPX3Y65C3 · pith_short_8: 24C7LPTU

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/24C7LPTUPX3Y65C3GVMWIZAWCA \
  | 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: d705f5be747df78f745b3559646416100eb6f6151aacc76839f40896215c852a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce0c7180e0801a35cf3f54505536f8a947364d509e5bb2d3f2faace5513bd8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-11T08:27:58Z",
    "title_canon_sha256": "813c0e6a73805a6c4dec70b1e1d93810551c677a0a85d57e533d4043dbcb26dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03736",
    "kind": "arxiv",
    "version": 1
  }
}