Pith Number

pith:7A5ROIP6

pith:2009:7A5ROIP6THIGPNITIOH3DQHZUG

not attested not anchored not stored refs pending

Energy concentration in composite quantum systems

Almut Beige, Andreas Kurcz, Antonio Capolupo, Emilio Del Giudice, Giuseppe Vitiello

arxiv:0909.5337 v4 · 2009-09-29 · cond-mat.other · 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{7A5ROIP6THIGPNITIOH3DQHZUG}

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	2026-05-18T02:34:20.842571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83b1721fe99d067b513438fb1c0f9a1aab70a8a8b581340c71a587a7f381c17

Aliases

arxiv: 0909.5337 · arxiv_version: 0909.5337v4 · doi: 10.48550/arxiv.0909.5337 · pith_short_12: 7A5ROIP6THIG · pith_short_16: 7A5ROIP6THIGPNIT · pith_short_8: 7A5ROIP6

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/7A5ROIP6THIGPNITIOH3DQHZUG \
  | 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: f83b1721fe99d067b513438fb1c0f9a1aab70a8a8b581340c71a587a7f381c17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1829debe110ba51de791cc55784a426cf9d779495c8cde440a5b3b7dea92392",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-09-29T13:29:55Z",
    "title_canon_sha256": "d0ca5b24489e991e6a4dbe0c4d4e3da77570079490cfc637ec0e8d83ea6d4a34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5337",
    "kind": "arxiv",
    "version": 4
  }
}