Pith Number

pith:MQEGVCCK

pith:2024:MQEGVCCKULTKR3F5G2N2MHLNYM

not attested not anchored not stored refs pending

Approximation of the Hilbert Transform on the unit circle

Luisa Fermo, Valerio Loi

arxiv:2409.07810 v1 · 2024-09-12 · math.NA · cs.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{MQEGVCCKULTKR3F5G2N2MHLNYM}

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	2026-06-05T01:15:11.664440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64086a884aa2e6a8ecbd369ba61d6dc31b471c8760147db55d768e1a309b89b6

Aliases

arxiv: 2409.07810 · arxiv_version: 2409.07810v1 · doi: 10.48550/arxiv.2409.07810 · pith_short_12: MQEGVCCKULTK · pith_short_16: MQEGVCCKULTKR3F5 · pith_short_8: MQEGVCCK

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/MQEGVCCKULTKR3F5G2N2MHLNYM \
  | 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: 64086a884aa2e6a8ecbd369ba61d6dc31b471c8760147db55d768e1a309b89b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e514fadb34268ecf4e58861ad81c5a2b2f0c24407a9c58cb0cb1c22920e31292",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-09-12T07:39:59Z",
    "title_canon_sha256": "dfd22cfc6e3c0d24f527e99b4caec7cf1a723274523573af6198a8b9d5c3d2f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.07810",
    "kind": "arxiv",
    "version": 1
  }
}