Pith Number

pith:5VUYPOPT

pith:2019:5VUYPOPT2HSB4K4NCH2TCEZL7J

not attested not anchored not stored refs pending

DeepNovoV2: Better de novo peptide sequencing with deep learning

Ali Ghodsi, Baozhen Shan, Lei Xin, Ming Li, Ngoc Hieu Tran, Rui Qiao

arxiv:1904.08514 v2 · 2019-04-17 · cs.LG · q-bio.BM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VUYPOPT2HSB4K4NCH2TCEZL7J}

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	2026-05-17T23:45:22.263740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6987b9f3d1e41e2b8d11f531132bfa724480de89ef81286ee2c501a40dc2ed

Aliases

arxiv: 1904.08514 · arxiv_version: 1904.08514v2 · doi: 10.48550/arxiv.1904.08514 · pith_short_12: 5VUYPOPT2HSB · pith_short_16: 5VUYPOPT2HSB4K4N · pith_short_8: 5VUYPOPT

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/5VUYPOPT2HSB4K4NCH2TCEZL7J \
  | 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: ed6987b9f3d1e41e2b8d11f531132bfa724480de89ef81286ee2c501a40dc2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "120d009a751e530b4ddf0e6aece33338d77a7a6bd2e2e0d7d8eeec6f564613e9",
    "cross_cats_sorted": [
      "q-bio.BM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-17T21:50:03Z",
    "title_canon_sha256": "35aa5f85d77145f5ad1169b682ef2260c7e4934b2587bb22a04767cc9248d714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08514",
    "kind": "arxiv",
    "version": 2
  }
}