Pith Number

pith:63BEQT6R

pith:2018:63BEQT6RZL52T3FMPITNKHACJ5

not attested not anchored not stored refs pending

Zeros of Faber polynomials for Joukowski airfoils

F. Wielonsky, N. Levenberg

arxiv:1809.10439 v1 · 2018-09-27 · math.CA · 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{63BEQT6RZL52T3FMPITNKHACJ5}

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	2026-05-18T00:04:19.817897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c2484fd1cafba9ecac7a26d51c024f584460cb9df2c9719e43d148bafaad68

Aliases

arxiv: 1809.10439 · arxiv_version: 1809.10439v1 · doi: 10.48550/arxiv.1809.10439 · pith_short_12: 63BEQT6RZL52 · pith_short_16: 63BEQT6RZL52T3FM · pith_short_8: 63BEQT6R

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/63BEQT6RZL52T3FMPITNKHACJ5 \
  | 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: f6c2484fd1cafba9ecac7a26d51c024f584460cb9df2c9719e43d148bafaad68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1b99f3f5dbc7c0728adb96b77312fb40de7c7ea68c173b568f75933e779672",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-09-27T10:22:07Z",
    "title_canon_sha256": "ee2ff76415bdd144cf4e0f9fec99afda2301d2141700d476a9970bda60a39b54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10439",
    "kind": "arxiv",
    "version": 1
  }
}