Pith Number

pith:Z6YWIG2O

pith:2009:Z6YWIG2OKW3BOOE2XJWWC5DNEP

not attested not anchored not stored refs pending

Generalization of the Hellmann-Feynman theorem

C. Garc\'ia Canal, F. Falceto, J. G. Esteve

arxiv:0912.4153 v1 · 2009-12-21 · 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{Z6YWIG2OKW3BOOE2XJWWC5DNEP}

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	2026-05-18T02:10:15.010363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfb1641b4e55b617389aba6d61746d23ff004f608db6b5f6a81d9fd25bec1269

Aliases

arxiv: 0912.4153 · arxiv_version: 0912.4153v1 · doi: 10.48550/arxiv.0912.4153 · pith_short_12: Z6YWIG2OKW3B · pith_short_16: Z6YWIG2OKW3BOOE2 · pith_short_8: Z6YWIG2O

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/Z6YWIG2OKW3BOOE2XJWWC5DNEP \
  | 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: cfb1641b4e55b617389aba6d61746d23ff004f608db6b5f6a81d9fd25bec1269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb3f73afee4951ee0f16ea2f2898b9a99b3c4fa9ea15cd480bec30286b12747",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-21T12:33:24Z",
    "title_canon_sha256": "7d99c5a16137177b1c7dfc949f881e011b4d08ec18a13a6f7447a263555f2b4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4153",
    "kind": "arxiv",
    "version": 1
  }
}