Pith Number

pith:QRWF7XJD

pith:2010:QRWF7XJDID3L6ZTN7R6A342LAT

not attested not anchored not stored refs pending

Bounding the rank of positive Hermitian forms and rigidity for CR mappings of hyperquadrics

Dusty Grundmeier, Jiri Lebl

arxiv:1006.0186 v2 · 2010-06-01 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRWF7XJDID3L6ZTN7R6A342LAT}

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	2026-05-18T01:04:58.403149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846c5fdd2340f6bf666dfc7c0df34b04edff99d1d4d99391c2c8f0fdfc9e1e68

Aliases

arxiv: 1006.0186 · arxiv_version: 1006.0186v2 · doi: 10.48550/arxiv.1006.0186 · pith_short_12: QRWF7XJDID3L · pith_short_16: QRWF7XJDID3L6ZTN · pith_short_8: QRWF7XJD

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/QRWF7XJDID3L6ZTN7R6A342LAT \
  | 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: 846c5fdd2340f6bf666dfc7c0df34b04edff99d1d4d99391c2c8f0fdfc9e1e68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4420b8a9e8d602ab48d3441454564f58e7818767173a6a3bfe385d6a62bfe6d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-06-01T17:01:40Z",
    "title_canon_sha256": "e5116c1ec9e00ab056207d2eefda8ceb1350799f29ac6827f8d7539070de72ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0186",
    "kind": "arxiv",
    "version": 2
  }
}