Pith Number

pith:2WQQE4ZR

pith:2017:2WQQE4ZR4BQ6KPVLBDDFWUC5AZ

not attested not anchored not stored refs pending

SELYMATRA: Web Application for the analysis of mass spectra

Angelo Ciaramella, Davide Nardone, Ferdinando Febbraio, Gian Carlo Bellenchi, Giuseppe Manco, Mariangela Cerreta, Salvatore Pulcrano

arxiv:1710.05914 v1 · 2017-10-15 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WQQE4ZR4BQ6KPVLBDDFWUC5AZ}

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	2026-05-18T00:32:38.339553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a1027331e061e53eab08c65b505d06468a2984429872ea87d4edcdb57a44e7

Aliases

arxiv: 1710.05914 · arxiv_version: 1710.05914v1 · doi: 10.48550/arxiv.1710.05914 · pith_short_12: 2WQQE4ZR4BQ6 · pith_short_16: 2WQQE4ZR4BQ6KPVL · pith_short_8: 2WQQE4ZR

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/2WQQE4ZR4BQ6KPVLBDDFWUC5AZ \
  | 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: d5a1027331e061e53eab08c65b505d06468a2984429872ea87d4edcdb57a44e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b112ad7f4edb9de6c3f4e141f2c119630a69e19d7b2ced2b36a6fd209baaf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2017-10-15T16:05:43Z",
    "title_canon_sha256": "df79bdf822c35339d0114c6439f05615963849b38b29bb13ca81ab298ed07d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05914",
    "kind": "arxiv",
    "version": 1
  }
}