Pith Number

pith:JJ7UUKIQ

pith:2009:JJ7UUKIQPVUT5RFV6YYSFIM7PR

not attested not anchored not stored refs pending

Transformation design and nonlinear Hamiltonians

Goce Chadzitaskos, Igor Jex, Thomas Brougham

arxiv:0907.4900 v1 · 2009-07-28 · 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{JJ7UUKIQPVUT5RFV6YYSFIM7PR}

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	2026-05-18T02:12:47.095743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7f4a29107d693ec4b5f63122a19f7c43efbbef43f17fc472d8245866008be9

Aliases

arxiv: 0907.4900 · arxiv_version: 0907.4900v1 · doi: 10.48550/arxiv.0907.4900 · pith_short_12: JJ7UUKIQPVUT · pith_short_16: JJ7UUKIQPVUT5RFV · pith_short_8: JJ7UUKIQ

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/JJ7UUKIQPVUT5RFV6YYSFIM7PR \
  | 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: 4a7f4a29107d693ec4b5f63122a19f7c43efbbef43f17fc472d8245866008be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cedd1fbf76288819dd25f3b0ccc7d26ae1bc1edc9069e16963e0eed2bf43fc94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-28T15:11:03Z",
    "title_canon_sha256": "c134a655c70db354b69b5e794868559293f76ceb6d7e6986226f451e68e8af95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4900",
    "kind": "arxiv",
    "version": 1
  }
}