Pith Number

pith:HKWICPIC

pith:2019:HKWICPICPUW2M7E6YATJDPP67B

not attested not anchored not stored refs pending

Computation of Chebyshev Polynomials for Union of Intervals

Jean-Bernard Lasserre (LAAS), Simon Foucart (TAMU)

arxiv:1903.04335 v1 · 2019-03-11 · math.OC · math.FA · 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{HKWICPICPUW2M7E6YATJDPP67B}

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	2026-05-17T23:51:35.695597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aac813d027d2da67c9ec02691bdfef87415967deef6cf5c6f4610a58f487c3a

Aliases

arxiv: 1903.04335 · arxiv_version: 1903.04335v1 · doi: 10.48550/arxiv.1903.04335 · pith_short_12: HKWICPICPUW2 · pith_short_16: HKWICPICPUW2M7E6 · pith_short_8: HKWICPIC

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/HKWICPICPUW2M7E6YATJDPP67B \
  | 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: 3aac813d027d2da67c9ec02691bdfef87415967deef6cf5c6f4610a58f487c3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9338649b9a08d17f10b175b0d86309f525cd454071fa816e79d416c150c1bef3",
    "cross_cats_sorted": [
      "math.FA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-11T14:45:10Z",
    "title_canon_sha256": "d3e5108fc35849ba589280025872abdac2ff6dde147faa49e9d6cbfdd201dcc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04335",
    "kind": "arxiv",
    "version": 1
  }
}