Pith Number

pith:GQHPIHFC

pith:2012:GQHPIHFCUDZVXDTOHPGO7DFDD3

not attested not anchored not stored refs pending

Virtues and limitations of the truncated Holstein-Primakoff description of quantum rotors

Eduardo Nahmad-Achar, Jorge G. Hirsch, Octavio Castanos, Ramon Lopez-Pena

arxiv:1210.0028 v2 · 2012-09-28 · quant-ph · math-ph · math.MP · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQHPIHFCUDZVXDTOHPGO7DFDD3}

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	2026-05-18T01:35:33.270265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340ef41ca2a0f35b8e6e3bccef8ca31ed7f3eaafbda9ac97e759f5df8491fbcb

Aliases

arxiv: 1210.0028 · arxiv_version: 1210.0028v2 · doi: 10.48550/arxiv.1210.0028 · pith_short_12: GQHPIHFCUDZV · pith_short_16: GQHPIHFCUDZVXDTO · pith_short_8: GQHPIHFC

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/GQHPIHFCUDZVXDTOHPGO7DFDD3 \
  | 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: 340ef41ca2a0f35b8e6e3bccef8ca31ed7f3eaafbda9ac97e759f5df8491fbcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80587f7e72739f3a4232bb4c183c317528f8471e171f0ef1cef0eb0a6fd1913a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-28T20:33:19Z",
    "title_canon_sha256": "a096a245ec9f70a99861caf374b6ee195bcc3255a34936bee3c78a0214c8865f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0028",
    "kind": "arxiv",
    "version": 2
  }
}