Pith Number

pith:LRNWK3ZJ

pith:2009:LRNWK3ZJBQTRTH2GL7GKCRY7P4

not attested not anchored not stored refs pending

On a mixed problem in Diophantine approximation

Bernard De Mathan (IMB), DP), Yann Bugeaud (IRMA

arxiv:0903.2741 v1 · 2009-03-16 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRNWK3ZJBQTRTH2GL7GKCRY7P4}

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	2026-05-18T02:14:28.036245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5b656f290c27199f465fcca1471f7f121f77b1b3070780bc19a86dc951d379

Aliases

arxiv: 0903.2741 · arxiv_version: 0903.2741v1 · doi: 10.48550/arxiv.0903.2741 · pith_short_12: LRNWK3ZJBQTR · pith_short_16: LRNWK3ZJBQTRTH2G · pith_short_8: LRNWK3ZJ

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/LRNWK3ZJBQTRTH2GL7GKCRY7P4 \
  | 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: 5c5b656f290c27199f465fcca1471f7f121f77b1b3070780bc19a86dc951d379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c363b9332393c6cef524fcad7644767db1fce04a5ed19d793e8eac69930aa16b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2009-03-16T12:53:21Z",
    "title_canon_sha256": "e1fa1d2ae70d22cb086c1a0660ef5f25f09557816674a10116ca25d07ac84843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2741",
    "kind": "arxiv",
    "version": 1
  }
}