Pith Number

pith:GUSMFS5K

pith:2019:GUSMFS5K33RGGAC7O34YT4YZMI

not attested not anchored not stored refs pending

Partial covariance two-dimensional mass spectrometry for determination of biomolecular primary structure

Bridgette Cooper, David R. Klug, Jon P. Marangos, Leszek J. Frasinski, Marina Edelson-Averbukh, Nikhil Bachhawat, R\"udiger Pipkorn, Ruth Ayers, Serguei Patchkovskii, Taran Driver, Vitali Averbukh

arxiv:1904.05946 v1 · 2019-04-11 · physics.chem-ph · 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{GUSMFS5K33RGGAC7O34YT4YZMI}

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	2026-05-17T23:48:44.679054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3524c2cbaadee263005f76f989f319621a7dbd205ecfb06589ef8403aba65f4b

Aliases

arxiv: 1904.05946 · arxiv_version: 1904.05946v1 · doi: 10.48550/arxiv.1904.05946 · pith_short_12: GUSMFS5K33RG · pith_short_16: GUSMFS5K33RGGAC7 · pith_short_8: GUSMFS5K

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/GUSMFS5K33RGGAC7O34YT4YZMI \
  | 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: 3524c2cbaadee263005f76f989f319621a7dbd205ecfb06589ef8403aba65f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d693ec354b982880350ff62847b5ee59781cf91d3185817f917feeb912f3aba",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-04-11T20:23:27Z",
    "title_canon_sha256": "148a0ce0adecaacf3d75958e72a02aaa1672d9eea38c3f0c0bd7fc57b725c990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05946",
    "kind": "arxiv",
    "version": 1
  }
}