Pith Number

pith:HE727EHI

pith:2023:HE727EHIHQZQLOTMLL7VTWNH63

not attested not anchored not stored refs pending

NMR Spectra Denoising with Vandermonde Constraints

Di Guo, Jinyu Wu, Meijin Lin, Runmin Xu, Xiaobo Qu, Xiaofeng Du

arxiv:2310.13882 v1 · 2023-10-21 · eess.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{HE727EHIHQZQLOTMLL7VTWNH63}

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	2026-07-05T07:03:36.427191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

393faf90e83c3305ba6c5aff59d9a7f6d79c8faa88764e04e41b64a3fbceedde

Aliases

arxiv: 2310.13882 · arxiv_version: 2310.13882v1 · doi: 10.48550/arxiv.2310.13882 · pith_short_12: HE727EHIHQZQ · pith_short_16: HE727EHIHQZQLOTM · pith_short_8: HE727EHI

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/HE727EHIHQZQLOTMLL7VTWNH63 \
  | 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: 393faf90e83c3305ba6c5aff59d9a7f6d79c8faa88764e04e41b64a3fbceedde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8082bed60b3319aacff148554cb338db58833582dd6137acd98084d40ba704f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-10-21T01:12:22Z",
    "title_canon_sha256": "207745e6d317250b2326e44c1cefb7e51f21a8674856b664c8d7d3ab9e4381db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.13882",
    "kind": "arxiv",
    "version": 1
  }
}