Pith Number

pith:SF76SPLH

pith:2021:SF76SPLHIEQNZPP4MFTSVQGMSQ

not attested not anchored not stored refs pending

MassFormer: Tandem Mass Spectrum Prediction for Small Molecules using Graph Transformers

Adamo Young, Bo Wang, Hannes R\"ost

arxiv:2111.04824 v3 · 2021-11-08 · cs.LG · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SF76SPLHIEQNZPP4MFTSVQGMSQ}

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	2026-07-05T06:05:55.681476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

917fe93d674120dcbdfc61672ac0cc9435e7d89075104776da8c3d98e1419c25

Aliases

arxiv: 2111.04824 · arxiv_version: 2111.04824v3 · doi: 10.48550/arxiv.2111.04824 · pith_short_12: SF76SPLHIEQN · pith_short_16: SF76SPLHIEQNZPP4 · pith_short_8: SF76SPLH

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/SF76SPLHIEQNZPP4MFTSVQGMSQ \
  | 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: 917fe93d674120dcbdfc61672ac0cc9435e7d89075104776da8c3d98e1419c25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc944bc240aa311a614b915fd12187653bf54f1bfc5cf046e8f271f9f0a57d7c",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-08T20:55:15Z",
    "title_canon_sha256": "00554130b6be9c3ca4843877c880e52c9d8b7da7f961fe01961122d2503bc792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04824",
    "kind": "arxiv",
    "version": 3
  }
}