Pith Number

pith:NGQC65TJ

pith:2020:NGQC65TJ6KPUCHXWT2UHWXONUT

not attested not anchored not stored refs pending

Review and Prospect: NMR Spectroscopy Denoising & Reconstruction with Low Rank Hankel Matrices and Tensors

Di Guo, Huiting Liu, Tianyu Qiu, Xiaobo Qu, Zi Wang

arxiv:2007.12646 v1 · 2020-07-16 · physics.chem-ph · eess.SP · math.SP · physics.bio-ph · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGQC65TJ6KPUCHXWT2UHWXONUT}

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	2026-07-05T01:21:54.475080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a02f7669f29f411ef69ea87b5dcda4f5b506f6b9dbac47759660509bfd37a9

Aliases

arxiv: 2007.12646 · arxiv_version: 2007.12646v1 · doi: 10.48550/arxiv.2007.12646 · pith_short_12: NGQC65TJ6KPU · pith_short_16: NGQC65TJ6KPUCHXW · pith_short_8: NGQC65TJ

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/NGQC65TJ6KPUCHXWT2UHWXONUT \
  | 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: 69a02f7669f29f411ef69ea87b5dcda4f5b506f6b9dbac47759660509bfd37a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9461eae12d11c145eb40f4b43adc1d6689d08d79de1de106fd1fb9f0bd4f8d24",
    "cross_cats_sorted": [
      "eess.SP",
      "math.SP",
      "physics.bio-ph",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-07-16T07:39:09Z",
    "title_canon_sha256": "bd7efda1685efc404e42cf272b6c20882c41f24725a1d66f7ca513aa94b6bfd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.12646",
    "kind": "arxiv",
    "version": 1
  }
}