Pith Number

pith:3AWUEF36

pith:2020:3AWUEF36S4FPCOSXPIJ2INFQS4

not attested not anchored not stored refs pending

An auto-parameter denoising method for nuclear magnetic resonance spectroscopy based on low-rank Hankel matrix

Di Guo, Dongbao Liu, Jian-Feng Cai, Tianyu Qiu, Wenjing Liao, Xiaobo Qu, Xin Wang

arxiv:2001.11815 v2 · 2020-01-30 · physics.med-ph · cs.IT · math.IT · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3AWUEF36S4FPCOSXPIJ2INFQS4}

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	2026-07-05T01:51:39.256974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d82d42177e970af13a577a13a434b0971d7f61ee88d68bf9b39b248b1a5f1675

Aliases

arxiv: 2001.11815 · arxiv_version: 2001.11815v2 · doi: 10.48550/arxiv.2001.11815 · pith_short_12: 3AWUEF36S4FP · pith_short_16: 3AWUEF36S4FPCOSX · pith_short_8: 3AWUEF36

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/3AWUEF36S4FPCOSXPIJ2INFQS4 \
  | 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: d82d42177e970af13a577a13a434b0971d7f61ee88d68bf9b39b248b1a5f1675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be21224bf1caa1a9ef587d190d1960fe63ca1b727bbde42518c34ed67a33c7a",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-01-30T11:56:17Z",
    "title_canon_sha256": "ca53ec59b76ceb0dc65302693ea2c5c692a7ff789d2c27a3a6b47a6e2e575753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11815",
    "kind": "arxiv",
    "version": 2
  }
}