Pith Number

pith:YCPSJCMA

pith:2011:YCPSJCMAAEK5V4U23F5K24VJPZ

not attested not anchored not stored refs pending

Analyzing LC-MS/MS data by spectral count and ion abundance: two case studies

Pei Wang, Thomas I. Milac, Timothy W. Randolph

arxiv:1111.4721 v1 · 2011-11-21 · stat.AP · 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{YCPSJCMAAEK5V4U23F5K24VJPZ}

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	2026-05-18T02:21:28.388950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c09f2489800115daf29ad97aad72a97e72e2f65ceabf816fdd946dc1cbb43f6c

Aliases

arxiv: 1111.4721 · arxiv_version: 1111.4721v1 · doi: 10.48550/arxiv.1111.4721 · pith_short_12: YCPSJCMAAEK5 · pith_short_16: YCPSJCMAAEK5V4U2 · pith_short_8: YCPSJCMA

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/YCPSJCMAAEK5V4U23F5K24VJPZ \
  | 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: c09f2489800115daf29ad97aad72a97e72e2f65ceabf816fdd946dc1cbb43f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8a2fd8a79be8c2fe8ca28c8508f6cfd18b59fcaa18f775fdbf17c32cc174185",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2011-11-21T03:04:51Z",
    "title_canon_sha256": "f08f259bd158b601b078ff2dae563d1ce675e891eeb44f153eeca30768918a90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4721",
    "kind": "arxiv",
    "version": 1
  }
}