Pith Number

pith:AMI5BHDI

pith:2015:AMI5BHDIRXO4GOKOUHSSA22DFA

not attested not anchored not stored refs pending

Weak-star convergence and a polynomial approximation problem

Arthur A. Danielyan

arxiv:1501.00245 v1 · 2015-01-01 · 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{AMI5BHDIRXO4GOKOUHSSA22DFA}

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	2026-05-18T02:30:09.769111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0311d09c688dddc3394ea1e5206b43281574b048a17a56a06c5741aa9ac7ddc2

Aliases

arxiv: 1501.00245 · arxiv_version: 1501.00245v1 · doi: 10.48550/arxiv.1501.00245 · pith_short_12: AMI5BHDIRXO4 · pith_short_16: AMI5BHDIRXO4GOKO · pith_short_8: AMI5BHDI

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/AMI5BHDIRXO4GOKOUHSSA22DFA \
  | 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: 0311d09c688dddc3394ea1e5206b43281574b048a17a56a06c5741aa9ac7ddc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "321dfec60e286c31d8c3c82e3a87f1e4aa43e7e4c0b7126f0a5bd71b21d8bd39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-01-01T04:42:13Z",
    "title_canon_sha256": "6702968da77aae9128b34bbd4f4328c192fd55ab2172d80a83d09f3b1e3f6082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00245",
    "kind": "arxiv",
    "version": 1
  }
}