Pith Number

pith:R5VOUBZ7

pith:2009:R5VOUBZ7ZVY7VER4HWQ2SJFFZ7

not attested not anchored not stored refs pending

Quantum machine using cold atoms

Alexey V. Ponomarev, Peter Hanggi, Sergey Denisov

arxiv:0909.2813 v2 · 2009-09-15 · quant-ph · cond-mat.other · 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{R5VOUBZ7ZVY7VER4HWQ2SJFFZ7}

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	2026-05-18T04:41:05.251851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6aea073fcd71fa923c3da1a924a5cfd3639d5e3c14c33c64c429b6a6b3d67f

Aliases

arxiv: 0909.2813 · arxiv_version: 0909.2813v2 · doi: 10.48550/arxiv.0909.2813 · pith_short_12: R5VOUBZ7ZVY7 · pith_short_16: R5VOUBZ7ZVY7VER4 · pith_short_8: R5VOUBZ7

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/R5VOUBZ7ZVY7VER4HWQ2SJFFZ7 \
  | 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: 8f6aea073fcd71fa923c3da1a924a5cfd3639d5e3c14c33c64c429b6a6b3d67f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a50a883603f51dab62eb670a656635fe898295713df6e13888b45b9feff87e3",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-15T14:34:04Z",
    "title_canon_sha256": "bdb4f8ec1fbc6cc6db342ad9b2f469c9bc350e698efb6fdabefbfa2f7b679ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2813",
    "kind": "arxiv",
    "version": 2
  }
}