Pith Number

pith:QVL2TPCN

pith:2009:QVL2TPCNBOHREKYQAZED7HGJL7

not attested not anchored not stored refs pending

Entropy-variation with respect to the resistance in quantized RLC circuit derived by generalized Hellmann-Feynman theorem

Hong-yi Fan, Li-yun Hu, Xue-xiang Xu

arxiv:0905.0246 v1 · 2009-05-03 · 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{QVL2TPCNBOHREKYQAZED7HGJL7}

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	2026-05-18T02:13:48.204029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8557a9bc4d0b8f122b1006483f9cc95fd193efb6c96acab2a0086f7de323699b

Aliases

arxiv: 0905.0246 · arxiv_version: 0905.0246v1 · doi: 10.48550/arxiv.0905.0246 · pith_short_12: QVL2TPCNBOHR · pith_short_16: QVL2TPCNBOHREKYQ · pith_short_8: QVL2TPCN

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/QVL2TPCNBOHREKYQAZED7HGJL7 \
  | 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: 8557a9bc4d0b8f122b1006483f9cc95fd193efb6c96acab2a0086f7de323699b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dda2232fdbb9be4b94b91dcef2f2ebc470505ea251df29de01f9484239442f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-03T06:52:38Z",
    "title_canon_sha256": "568d29e4bcbbc4540ca05029dad632d9f200644203c1f238f1e0b9d13f096ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0246",
    "kind": "arxiv",
    "version": 1
  }
}