Pith Number

pith:WRYE2GHI

pith:2012:WRYE2GHIQWOCYYKMMYZ22AH3B6

not attested not anchored not stored refs pending

A novel time-of-flight mass spectrometer using radial extraction from a linear quadrupole trap for atomic, molecular, and chemical physics

Eric R. Hudson, Kuang Chen, Scott T. Sullivan, Steven J. Schowalter, Wade G. Rellergert

arxiv:1202.0858 v1 · 2012-02-04 · physics.atom-ph · physics.chem-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRYE2GHIQWOCYYKMMYZ22AH3B6}

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	2026-05-18T04:03:05.982985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4704d18e8859c2c614c6633ad00fb0f93253fdf103b814393d08821c3454a9f

Aliases

arxiv: 1202.0858 · arxiv_version: 1202.0858v1 · doi: 10.48550/arxiv.1202.0858 · pith_short_12: WRYE2GHIQWOC · pith_short_16: WRYE2GHIQWOCYYKM · pith_short_8: WRYE2GHI

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/WRYE2GHIQWOCYYKMMYZ22AH3B6 \
  | 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: b4704d18e8859c2c614c6633ad00fb0f93253fdf103b814393d08821c3454a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07938282299c6f01e28a268de4a2ec52714ca53f6df23aa1f745b77d8d56a699",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-02-04T01:54:45Z",
    "title_canon_sha256": "037b7fec75c259f7baf4e7d049d5454786c12d89128c68cee69f2c45f3ea5eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0858",
    "kind": "arxiv",
    "version": 1
  }
}