Pith Number

pith:LKDR5S7A

pith:2025:LKDR5S7AR2VEPIAX3SJIKK32NP

not attested not anchored not stored refs pending

Revisiting Sparse Matrix Coloring and Bicoloring

Alexis Montoison, Assefaw Gebremedhin, Guillaume Dalle

arxiv:2505.07308 v1 · 2025-05-12 · math.NA · cs.DM · cs.MS · cs.NA · 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{LKDR5S7AR2VEPIAX3SJIKK32NP}

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

ChromOps.jl: High-order simulation and discrete forward sensitivity analysis for chromatography models

Receipt and verification

First computed	2026-07-05T11:01:45.879388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a871ecbe08eaa47a017dc92852b7a6bf18f91059ce44bfdd2dba6b1a8d47b84

Aliases

arxiv: 2505.07308 · arxiv_version: 2505.07308v1 · doi: 10.48550/arxiv.2505.07308 · pith_short_12: LKDR5S7AR2VE · pith_short_16: LKDR5S7AR2VEPIAX · pith_short_8: LKDR5S7A

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/LKDR5S7AR2VEPIAX3SJIKK32NP \
  | 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: 5a871ecbe08eaa47a017dc92852b7a6bf18f91059ce44bfdd2dba6b1a8d47b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a73ea5427289f11a99fa2a7569e461c9593fe81316ea9bc63b8afa77ca9241e",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.MS",
      "cs.NA",
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-12T07:54:06Z",
    "title_canon_sha256": "7cafed40daa8d88359099b4709fe7026f7ead44c4d07c4c9ebbebe395e2cd577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07308",
    "kind": "arxiv",
    "version": 1
  }
}