Pith Number

pith:QDKNJ5WU

pith:2025:QDKNJ5WUXZVP4SHBL3V2UFYHES

not attested not anchored not stored refs pending

Resonances and computations

Fr\'ed\'eric Rousset, Katharina Schratz, Yvain Bruned

arxiv:2504.19647 v1 · 2025-04-28 · math.NA · cs.NA · math.AP · 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{QDKNJ5WUXZVP4SHBL3V2UFYHES}

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	2026-07-05T10:55:00.862714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d4d4f6d4be6afe48e15eebaa17072497332a6c636496eaf6d6feb2568b3325

Aliases

arxiv: 2504.19647 · arxiv_version: 2504.19647v1 · doi: 10.48550/arxiv.2504.19647 · pith_short_12: QDKNJ5WUXZVP · pith_short_16: QDKNJ5WUXZVP4SHB · pith_short_8: QDKNJ5WU

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/QDKNJ5WUXZVP4SHBL3V2UFYHES \
  | 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: 80d4d4f6d4be6afe48e15eebaa17072497332a6c636496eaf6d6feb2568b3325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2de793e70078f4ecefb4f2ead5d8f8e7757959087aef0d85bc30336dd3f72ea",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-28T10:04:48Z",
    "title_canon_sha256": "8a11c8462c6772dd4b93d3fc174b64e45a07e45e04211ad8dac8939d97088e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19647",
    "kind": "arxiv",
    "version": 1
  }
}