Pith Number

pith:H7Y2QF6O

pith:2011:H7Y2QF6O4IJSXMVAECD2WMSYBW

not attested not anchored not stored refs pending

Pad\'e-type rational and barycentric interpolation

Claude Brezinski, Michela Redivo-Zaglia

arxiv:1107.4854 v3 · 2011-07-25 · 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{H7Y2QF6O4IJSXMVAECD2WMSYBW}

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	2026-05-18T03:45:01.037817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ff1a817cee2132bb2a02087ab32580d826801adbc71ed0cee4f0eddef4fb95e

Aliases

arxiv: 1107.4854 · arxiv_version: 1107.4854v3 · doi: 10.48550/arxiv.1107.4854 · pith_short_12: H7Y2QF6O4IJS · pith_short_16: H7Y2QF6O4IJSXMVA · pith_short_8: H7Y2QF6O

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/H7Y2QF6O4IJSXMVAECD2WMSYBW \
  | 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: 3ff1a817cee2132bb2a02087ab32580d826801adbc71ed0cee4f0eddef4fb95e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27620528da99355142af0632e27530eca2826d90c2df5741dc5efa0c6b818ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-25T07:35:12Z",
    "title_canon_sha256": "f3234a58906c4e66e6a70cb52155d312c746433f1ca3e9b05b8146be0132584d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4854",
    "kind": "arxiv",
    "version": 3
  }
}