Pith Number

pith:55GNNUUN

pith:2014:55GNNUUNMYJVMVJDVR3DCETZC3

not attested not anchored not stored refs pending

$n$-widths and Approximation theory on Compact Riemannian Manifolds

Daryl Geller, Isaac Pesenson

arxiv:1404.5035 v2 · 2014-04-20 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55GNNUUNMYJVMVJDVR3DCETZC3}

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	2026-05-18T02:47:44.050112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef4cd6d28d6613565523ac7631127916d5340fc19d8fe5b97cbc8d258b0ef7f5

Aliases

arxiv: 1404.5035 · arxiv_version: 1404.5035v2 · doi: 10.48550/arxiv.1404.5035 · pith_short_12: 55GNNUUNMYJV · pith_short_16: 55GNNUUNMYJVMVJD · pith_short_8: 55GNNUUN

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/55GNNUUNMYJVMVJDVR3DCETZC3 \
  | 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: ef4cd6d28d6613565523ac7631127916d5340fc19d8fe5b97cbc8d258b0ef7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb12991e4408b9158dcb0b6c2e5c77a81d4a110859eeb3d0b9013eeb6762583",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-04-20T12:12:17Z",
    "title_canon_sha256": "7d922584e8dea7bb7108b5de5a9af1e38ba072b1cf6e35d034e8132c152c24e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5035",
    "kind": "arxiv",
    "version": 2
  }
}