Pith Number

pith:HR2TOEI5

pith:2009:HR2TOEI52HHUZNBBQWH46XU2XB

not attested not anchored not stored refs pending

Optomechanics

Bj\"orn Kubala, Florian Marquardt, Max Ludwig

arxiv:0902.2163 v1 · 2009-02-12 · cond-mat.mes-hall · 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{HR2TOEI52HHUZNBBQWH46XU2XB}

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	2026-05-18T02:14:48.109226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c7537111dd1cf4cb421858fcf5e9ab87d9c077ec640bdd03f3496d0bb37bd7d

Aliases

arxiv: 0902.2163 · arxiv_version: 0902.2163v1 · doi: 10.48550/arxiv.0902.2163 · pith_short_12: HR2TOEI52HHU · pith_short_16: HR2TOEI52HHUZNBB · pith_short_8: HR2TOEI5

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/HR2TOEI52HHUZNBBQWH46XU2XB \
  | 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: 3c7537111dd1cf4cb421858fcf5e9ab87d9c077ec640bdd03f3496d0bb37bd7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16fc524f61bc8392c742dbb08bb0ff1212fda250b9143a3725ea39d30772ad01",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-02-12T16:54:02Z",
    "title_canon_sha256": "99522736c22c0cd254660a96ace61ed7d66a0b372d0d20f1d0cec2b27c75700b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2163",
    "kind": "arxiv",
    "version": 1
  }
}