Pith Number

pith:4SWOAKE5

pith:2019:4SWOAKE5K7KLRACYPPCN7CZSZQ

not attested not anchored not stored refs pending

Identification of organic molecules with a laboratory prototype based on the Laser Ablation-CosmOrbitrap

A. Makarov, B. Gaubicher, C. Briois, C. Engrand, C. Szopa, F. Colin, F.-R. Orthous-Daunay, G. Chalumeau, H. Cottin, J.-P. Lebreton, L. Flandinet, L. Selliez, L. Thirkell, M. Ito, N. Carrasco, N. Fray, N. Grand, P. Zapf, R. Thissen, S. Ruocco, V. Vuitton

arxiv:1904.09419 v1 · 2019-04-20 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SWOAKE5K7KLRACYPPCN7CZSZQ}

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	2026-05-17T23:48:04.229291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ace0289d57d4b880587bc4df8b32cc0220e09e8052936562e7176d32134ee3

Aliases

arxiv: 1904.09419 · arxiv_version: 1904.09419v1 · doi: 10.48550/arxiv.1904.09419 · pith_short_12: 4SWOAKE5K7KL · pith_short_16: 4SWOAKE5K7KLRACY · pith_short_8: 4SWOAKE5

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/4SWOAKE5K7KLRACYPPCN7CZSZQ \
  | 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: e4ace0289d57d4b880587bc4df8b32cc0220e09e8052936562e7176d32134ee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a5da271f6767b6aff1f7ad7ec30072f27bba0f7b75e80f59b10c7484af2ae8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-20T08:20:12Z",
    "title_canon_sha256": "e6eef332d375a1444d5839f04b588e7ab91799f52bc84b67414ca1c04ed3b295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09419",
    "kind": "arxiv",
    "version": 1
  }
}