Pith Number

pith:LHR5THB3

pith:2011:LHR5THB34XBB27X3W5LD5QS27Z

not attested not anchored not stored refs pending

D'atri spaces of type k and related classes of geometries concerning jacobi operators

Maria J. Druetta, Teresa Arias-Marco

arxiv:1109.6607 v2 · 2011-09-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LHR5THB34XBB27X3W5LD5QS27Z}

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	2026-05-18T03:10:14.675458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59e3d99c3be5c21d7efbb7563ec25afe782dde6e249572330e484bc780f3294a

Aliases

arxiv: 1109.6607 · arxiv_version: 1109.6607v2 · doi: 10.48550/arxiv.1109.6607 · pith_short_12: LHR5THB34XBB · pith_short_16: LHR5THB34XBB27X3 · pith_short_8: LHR5THB3

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/LHR5THB34XBB27X3W5LD5QS27Z \
  | 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: 59e3d99c3be5c21d7efbb7563ec25afe782dde6e249572330e484bc780f3294a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed2688e54ae2861bb327c1bb8e5beaaa641693c35a5986434d8e3344034fc5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-09-29T18:05:20Z",
    "title_canon_sha256": "73c1db26d5ece70edb56baea8b7f4c3015206dc40373d9b7303f4aba448d8743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6607",
    "kind": "arxiv",
    "version": 2
  }
}