Pith Number

pith:STTV244K

pith:2024:STTV244K76LCX4GCMKXZTDKQEC

not attested not anchored not stored refs pending

How to reveal the rank of a matrix?

Alex Townsend, Anil Damle, Annan Yu, Silke Glas

arxiv:2405.04330 v2 · 2024-05-07 · math.NA · cs.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{STTV244K76LCX4GCMKXZTDKQEC}

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.

Cited by

1 paper in Pith

Maximum volume coordinates for Grassmann interpolation: Lagrange, Hermite, and errors

Receipt and verification

First computed	2026-07-05T08:26:24.393066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e75d738aff962bf0c262af998d5020b8538f1fc0c7a3b53df65e2be06ccea9

Aliases

arxiv: 2405.04330 · arxiv_version: 2405.04330v2 · doi: 10.48550/arxiv.2405.04330 · pith_short_12: STTV244K76LC · pith_short_16: STTV244K76LCX4GC · pith_short_8: STTV244K

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/STTV244K76LCX4GCMKXZTDKQEC \
  | 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: 94e75d738aff962bf0c262af998d5020b8538f1fc0c7a3b53df65e2be06ccea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c93892fc69f1c622d2656961c53294090ba4175c264069565361b2cb2aec964",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-05-07T13:58:57Z",
    "title_canon_sha256": "db0e749f3937c669cfcca0302f4a88d3017039aacfc231d7b0af525a4cad3520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.04330",
    "kind": "arxiv",
    "version": 2
  }
}