Pith Number

pith:KC444XUN

pith:2015:KC444XUNKK6UZCBJ4EHCKGHDHS

not attested not anchored not stored refs pending

Coulomb crystal mass spectrometry in a digital ion trap

Alexander D. Smith, Brianna R. Heazlewood, Christopher J. Rennick, Laura L. Pollum, Matthias Keller, Nabanita Deb, Timothy P. Softley

arxiv:1501.02207 v1 · 2015-01-09 · physics.chem-ph · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC444XUNKK6UZCBJ4EHCKGHDHS}

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	2026-05-18T01:41:11.874839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b9ce5e8d52bd4c8829e10e2518e33c81857d80ac64d20de57297883fa48f04

Aliases

arxiv: 1501.02207 · arxiv_version: 1501.02207v1 · doi: 10.48550/arxiv.1501.02207 · pith_short_12: KC444XUNKK6U · pith_short_16: KC444XUNKK6UZCBJ · pith_short_8: KC444XUN

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/KC444XUNKK6UZCBJ4EHCKGHDHS \
  | 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: 50b9ce5e8d52bd4c8829e10e2518e33c81857d80ac64d20de57297883fa48f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156b1c4b1b9a2e8dd81e80d064e3e1b5d59ce2ee7ff1eddc41dcc7e8200a2de8",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-01-09T17:37:41Z",
    "title_canon_sha256": "fad0ec29ad59a93f6cf89fa59d825e61cf01965dad269bd77045b3f4b3dcdebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02207",
    "kind": "arxiv",
    "version": 1
  }
}