Pith Number

pith:BX7HZA3R

pith:2018:BX7HZA3REJZ4C7HFNAO56S7PSX

not attested not anchored not stored refs pending

AMG based on compatible weighted matching for GPUs

Dario Pasquini, Massimo Bernaschi, Pasqua D'Ambra

arxiv:1810.04221 v1 · 2018-10-09 · 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{BX7HZA3REJZ4C7HFNAO56S7PSX}

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	2026-05-18T00:03:40.780171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dfe7c83712273c17ce5681ddf4bef95ff2bcc50f6b3082b2eb289514df4c563

Aliases

arxiv: 1810.04221 · arxiv_version: 1810.04221v1 · doi: 10.48550/arxiv.1810.04221 · pith_short_12: BX7HZA3REJZ4 · pith_short_16: BX7HZA3REJZ4C7HF · pith_short_8: BX7HZA3R

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/BX7HZA3REJZ4C7HFNAO56S7PSX \
  | 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: 0dfe7c83712273c17ce5681ddf4bef95ff2bcc50f6b3082b2eb289514df4c563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c53538ad97dfee5bcb2d54ee438e2c0b4b3e8fbfca47a85df939b12fbde7d18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-09T19:17:32Z",
    "title_canon_sha256": "9dafd6d846222e31f36ba19a230f9fa90a9b327aca8df53066218a7033940fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04221",
    "kind": "arxiv",
    "version": 1
  }
}