Pith Number

pith:AD6WLOV2

pith:2020:AD6WLOV2EKZZCHGXYOH4WCOUOV

not attested not anchored not stored refs pending

Optimal quadrature formulas for non-periodic functions in Sobolev space and its application to CT image reconstruction

Abdullo R. Hayotov, Chang-Ock Lee, Kholmat M. Shadimetov, Soomin Jeon

arxiv:2001.02636 v2 · 2020-01-07 · 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{AD6WLOV2EKZZCHGXYOH4WCOUOV}

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	2026-07-05T00:55:30.212904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00fd65baba22b3911cd7c38fcb09d4754b610b165c65efd390eecb1028556ba1

Aliases

arxiv: 2001.02636 · arxiv_version: 2001.02636v2 · doi: 10.48550/arxiv.2001.02636 · pith_short_12: AD6WLOV2EKZZ · pith_short_16: AD6WLOV2EKZZCHGX · pith_short_8: AD6WLOV2

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/AD6WLOV2EKZZCHGXYOH4WCOUOV \
  | 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: 00fd65baba22b3911cd7c38fcb09d4754b610b165c65efd390eecb1028556ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbbef3042d9f7e6f84b1b8f4b25640646dbdcfb2d88926e7efd7269d207a9556",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-01-07T17:54:12Z",
    "title_canon_sha256": "f3b6a46d0e217f24a7d9a537905b3cbd78c0a7f6ab94eb414a3d607894f3c1b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02636",
    "kind": "arxiv",
    "version": 2
  }
}