Pith Number

pith:PQRNMNZA

pith:2009:PQRNMNZACRZP5BEQAXHOSSHNB2

not attested not anchored not stored refs pending

Large ion Coulomb crystals: a near-ideal medium for coupling optical cavity modes to matter

A. Dantan, J. P. Marler, M. Albert, M. Drewsen, P. F. Herskind

arxiv:0909.4139 v1 · 2009-09-23 · quant-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{PQRNMNZACRZP5BEQAXHOSSHNB2}

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	2026-05-18T02:11:45.062129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c22d637201472fe849005cee948ed0ea6f76f959c60f745cb36fc06317f749e

Aliases

arxiv: 0909.4139 · arxiv_version: 0909.4139v1 · doi: 10.48550/arxiv.0909.4139 · pith_short_12: PQRNMNZACRZP · pith_short_16: PQRNMNZACRZP5BEQ · pith_short_8: PQRNMNZA

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/PQRNMNZACRZP5BEQAXHOSSHNB2 \
  | 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: 7c22d637201472fe849005cee948ed0ea6f76f959c60f745cb36fc06317f749e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ebe2b73bd8aad1bb52928e1cf58a34b4d907182d64ba8c0ac33dde5bc580ef6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-23T07:16:30Z",
    "title_canon_sha256": "a80b7b1822872459f683a447c88f6a5d08fe71ee72180dffaf4e3cb6fb348c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4139",
    "kind": "arxiv",
    "version": 1
  }
}