Pith Number

pith:5VDW6U3C

pith:2013:5VDW6U3COMEFRQ5MWMGQ4LXPS7

not attested not anchored not stored refs pending

An Efficient Algorithm for Clustering of Large-Scale Mass Spectrometry Data

Fahad Saeed, Jason D. Hoffert, Mark A. Knepper, Trairak Pisitkun

arxiv:1301.0834 v1 · 2013-01-04 · cs.DS · q-bio.GN · 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{5VDW6U3COMEFRQ5MWMGQ4LXPS7}

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	2026-05-18T03:37:07.587773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed476f5362730858c3acb30d0e2eef97d37c723e1cefa2eec345867e75b1a3fb

Aliases

arxiv: 1301.0834 · arxiv_version: 1301.0834v1 · doi: 10.48550/arxiv.1301.0834 · pith_short_12: 5VDW6U3COMEF · pith_short_16: 5VDW6U3COMEFRQ5M · pith_short_8: 5VDW6U3C

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/5VDW6U3COMEFRQ5MWMGQ4LXPS7 \
  | 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: ed476f5362730858c3acb30d0e2eef97d37c723e1cefa2eec345867e75b1a3fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0432d38b5565706b58714b10dd4cfd8b2a62233e2d6524e886afe2c26aed1c43",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-04T21:09:18Z",
    "title_canon_sha256": "ffc40fcb9bde46816c2e5adc8c3c055d35ef65ab4bd4428591c0cf038ed051e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0834",
    "kind": "arxiv",
    "version": 1
  }
}