Pith Number

pith:2PQ6LS77

pith:2018:2PQ6LS77Q3S6TAEZZOGFMNSGV2

not attested not anchored not stored refs pending

Phase space density limitation in laser cooling without spontaneous emission

Daniel Comparat, Hans Lignier, Thierry Chaneli\`ere

arxiv:1806.06906 v2 · 2018-06-18 · 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{2PQ6LS77Q3S6TAEZZOGFMNSGV2}

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	2026-05-17T23:57:10.275880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e1e5cbff86e5e98099cb8c563646ae925829e6fb67a7c9876b1388419a8d5f

Aliases

arxiv: 1806.06906 · arxiv_version: 1806.06906v2 · doi: 10.48550/arxiv.1806.06906 · pith_short_12: 2PQ6LS77Q3S6 · pith_short_16: 2PQ6LS77Q3S6TAEZ · pith_short_8: 2PQ6LS77

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/2PQ6LS77Q3S6TAEZZOGFMNSGV2 \
  | 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: d3e1e5cbff86e5e98099cb8c563646ae925829e6fb67a7c9876b1388419a8d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a5e7564e567edde262553f834d1fd9b9c4c32188c43d95ec4fd6c6439598b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-18T19:58:56Z",
    "title_canon_sha256": "578094063b5d7e9a257f1f9d0efc93b315d1f8472be3004e0e80fe5d401ad993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06906",
    "kind": "arxiv",
    "version": 2
  }
}