Pith Number

pith:L4YEQD6Y

pith:2012:L4YEQD6YM3VJN7BM2KZW3T5B2C

not attested not anchored not stored refs pending

Spectrum Identification using a Dynamic Bayesian Network Model of Tandem Mass Spectra

Ajit P. Singh, Jeff A. Bilmes, John Halloran, Katrin Kirchoff, William S. Noble

arxiv:1210.4904 v1 · 2012-10-16 · cs.CE · 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{L4YEQD6YM3VJN7BM2KZW3T5B2C}

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	2026-05-18T03:42:55.019740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f30480fd866ea96fc2cd2b36dcfa1d0b03488430ad204c5a1c0030f591a44c6

Aliases

arxiv: 1210.4904 · arxiv_version: 1210.4904v1 · doi: 10.48550/arxiv.1210.4904 · pith_short_12: L4YEQD6YM3VJ · pith_short_16: L4YEQD6YM3VJN7BM · pith_short_8: L4YEQD6Y

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/L4YEQD6YM3VJN7BM2KZW3T5B2C \
  | 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: 5f30480fd866ea96fc2cd2b36dcfa1d0b03488430ad204c5a1c0030f591a44c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2420a064a43e694eac145d227a27e845081dcd4fe7281bed50788dcc8558dcd0",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2012-10-16T17:51:39Z",
    "title_canon_sha256": "ada083ec5076ad328fe3212badc8d7599c81d592c2b40b2324ea0f14e74d3530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4904",
    "kind": "arxiv",
    "version": 1
  }
}