Pith Number

pith:C2RMRNQL

pith:2018:C2RMRNQLH5X44BNHUROSRDHC3M

not attested not anchored not stored refs pending

An Orbitrap-based laser desorption/ablation mass spectrometer designed for spaceflight

Alexander Makarov, Barnab\'e Cherville, Benjamin Farcy, Bertrand Gaubicher, Christelle Briois, Fabrice Colin, Laura Selliez, Laurent Thirkell, Nathalie Carrasco, Ricardo Arevalo Jr., Xiang Li

arxiv:1807.09454 v1 · 2018-07-25 · 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{C2RMRNQLH5X44BNHUROSRDHC3M}

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	2026-05-18T00:09:51.308764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a2c8b60b3f6fce05a7a45d288ce2db20966a071e8d969705d062f7719debc4

Aliases

arxiv: 1807.09454 · arxiv_version: 1807.09454v1 · doi: 10.48550/arxiv.1807.09454 · pith_short_12: C2RMRNQLH5X4 · pith_short_16: C2RMRNQLH5X44BNH · pith_short_8: C2RMRNQL

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/C2RMRNQLH5X44BNHUROSRDHC3M \
  | 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: 16a2c8b60b3f6fce05a7a45d288ce2db20966a071e8d969705d062f7719debc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e16f6143ca0017a05f7e985511a73a1748e08b1f2738f4ec0f1139a24f48a24",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-25T06:57:29Z",
    "title_canon_sha256": "7f2cef158c77b1cdb77ae8646a1dee0a64b2c26a150cc8619ca5b68cb3d08487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09454",
    "kind": "arxiv",
    "version": 1
  }
}