Pith Number

pith:VH3X2OT7

pith:2020:VH3X2OT7JPNIOUF7E4OFIFL64V

not attested not anchored not stored refs pending

Review and Prospect: Deep Learning in Nuclear Magnetic Resonance Spectroscopy

Dicheng Chen, Di Guo, Vladislav Orekhov, Xiaobo Qu, Zi Wang

arxiv:2001.04813 v2 · 2020-01-13 · physics.med-ph · cs.LG · eess.IV · physics.bio-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{VH3X2OT7JPNIOUF7E4OFIFL64V}

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	2026-07-05T00:52:28.873775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f77d3a7f4bda8750bf271c54157ee567ee4f6c9647c43750d5566d56ec3b34

Aliases

arxiv: 2001.04813 · arxiv_version: 2001.04813v2 · doi: 10.48550/arxiv.2001.04813 · pith_short_12: VH3X2OT7JPNI · pith_short_16: VH3X2OT7JPNIOUF7 · pith_short_8: VH3X2OT7

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/VH3X2OT7JPNIOUF7E4OFIFL64V \
  | 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: a9f77d3a7f4bda8750bf271c54157ee567ee4f6c9647c43750d5566d56ec3b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a181cca5dca7f6e2a410bc40db9d904a9a5bfa0ef319d275c70ed5f63424fac",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-01-13T05:13:20Z",
    "title_canon_sha256": "35025e840f278c8135b04441f85051a2cb2048c1da117adfee3d6db228c63a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04813",
    "kind": "arxiv",
    "version": 2
  }
}