Pith Number

pith:X4BIKPSE

pith:2012:X4BIKPSEZOF6IA7ZE5RA6QNV7S

not attested not anchored not stored refs pending

On the Convergence of Kergin and Hakopian Interpolants at Leja Sequences for the Disk

Phung Van Manh

arxiv:1201.0607 v1 · 2012-01-03 · math.CA · 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{X4BIKPSEZOF6IA7ZE5RA6QNV7S}

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	2026-05-18T04:05:17.131037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf02853e44cb8be403f927620f41b5fcb74343384793c4dc1bc29d41ea263586

Aliases

arxiv: 1201.0607 · arxiv_version: 1201.0607v1 · doi: 10.48550/arxiv.1201.0607 · pith_short_12: X4BIKPSEZOF6 · pith_short_16: X4BIKPSEZOF6IA7Z · pith_short_8: X4BIKPSE

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/X4BIKPSEZOF6IA7ZE5RA6QNV7S \
  | 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: bf02853e44cb8be403f927620f41b5fcb74343384793c4dc1bc29d41ea263586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2765af26e7fd7ae30e7d03aefe9c1b800059e415ac11e298c1a435c97b3c3047",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-01-03T11:01:59Z",
    "title_canon_sha256": "97c83485a661ecc16e12e6d5503720dcb3949b4bcbcbe04a0adeac28fead5af2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0607",
    "kind": "arxiv",
    "version": 1
  }
}