pith. sign in
Pith Number

pith:YBNHHPJK

pith:2011:YBNHHPJKDS45XMATPKEA3QAPKS
not attested not anchored not stored refs pending

Stiefel and Grassmann manifolds in Quantum Chemistry

Eduardo Chiumiento, Michael Melgaard

arxiv:1105.1661 v1 · 2011-05-09 · math.FA · math-ph · math.DG · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YBNHHPJKDS45XMATPKEA3QAPKS}

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 2026-05-18T02:02:02.577107Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c05a73bd2a1cb9dbb0137a880dc00f54bc14bea5f262ec1b080ef1aaa3c6909a

Aliases

arxiv: 1105.1661 · arxiv_version: 1105.1661v1 · doi: 10.48550/arxiv.1105.1661 · pith_short_12: YBNHHPJKDS45 · pith_short_16: YBNHHPJKDS45XMAT · pith_short_8: YBNHHPJK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YBNHHPJKDS45XMATPKEA3QAPKS \
  | 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: c05a73bd2a1cb9dbb0137a880dc00f54bc14bea5f262ec1b080ef1aaa3c6909a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "09b227d21809ed71fba79e6ce77b989362196a5e60fb39049bc3b483da1fdb40",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-05-09T12:58:23Z",
    "title_canon_sha256": "077d71c80aaed4526a7d9e7e41311deffe7fc19da28351ade992f07c81e6eefc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1661",
    "kind": "arxiv",
    "version": 1
  }
}