Pith Number

pith:YYRL3GUR

pith:2014:YYRL3GUR2QGRUIDM7KP7VHLVFU

not attested not anchored not stored refs pending

Discrete integrable systems generated by Hermite-Pad\'e approximants

Alexander I. Aptekarev, Maxim Derevyagin, Walter Van Assche

arxiv:1409.4053 v2 · 2014-09-14 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYRL3GUR2QGRUIDM7KP7VHLVFU}

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	2026-05-18T01:18:10.256513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c622bd9a91d40d1a206cfa9ffa9d752d3ed62d399191b896385435cd66ee1fd8

Aliases

arxiv: 1409.4053 · arxiv_version: 1409.4053v2 · doi: 10.48550/arxiv.1409.4053 · pith_short_12: YYRL3GUR2QGR · pith_short_16: YYRL3GUR2QGRUIDM · pith_short_8: YYRL3GUR

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/YYRL3GUR2QGRUIDM7KP7VHLVFU \
  | 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: c622bd9a91d40d1a206cfa9ffa9d752d3ed62d399191b896385435cd66ee1fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e650ef66e0a949aa0fa7fa9a7e9b817a6775e61996ce4a8ff9b5ae2061dc61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-09-14T13:08:04Z",
    "title_canon_sha256": "ce5e33032a7061a3661f3a46df434bfb12cc09bbee523316f26d78747d5421b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4053",
    "kind": "arxiv",
    "version": 2
  }
}