Pith Number

pith:YPG5WPTI

pith:2014:YPG5WPTISGTOXJJYWSUFHPNSRU

not attested not anchored not stored refs pending

Orthogonal polynomials for area-type measures and image recovery

E. B. Saff, H. Stahl, N. Stylianopoulos, V. Totik

arxiv:1403.6456 v1 · 2014-03-25 · math.NA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPG5WPTISGTOXJJYWSUFHPNSRU}

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	2026-05-18T02:55:36.863835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3cddb3e6891a6eba538b4a853bdb28d20a6388666135e4a1a0a61c5df1ca1cd

Aliases

arxiv: 1403.6456 · arxiv_version: 1403.6456v1 · doi: 10.48550/arxiv.1403.6456 · pith_short_12: YPG5WPTISGTO · pith_short_16: YPG5WPTISGTOXJJY · pith_short_8: YPG5WPTI

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/YPG5WPTISGTOXJJYWSUFHPNSRU \
  | 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: c3cddb3e6891a6eba538b4a853bdb28d20a6388666135e4a1a0a61c5df1ca1cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b87a62c3e5deb6620b5f05b6f8088213cb4c2c8fe45d4d603664baabb3836dad",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-25T19:07:28Z",
    "title_canon_sha256": "da06ff27e16e6db6ffb9114d7b6a599d52f71dfaa6d701db0ea7006e2941a828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6456",
    "kind": "arxiv",
    "version": 1
  }
}