Pith Number

pith:QIM75IEG

pith:2010:QIM75IEGSWHDLF2YCIC77OTN7Z

not attested not anchored not stored refs pending

Constant $\sigma_{k}$-curvature metrics with Delaunay type ends

Antonio Segatti, Lorenzo Mazzieri

arxiv:1008.0490 v1 · 2010-08-03 · math.AP · 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{QIM75IEGSWHDLF2YCIC77OTN7Z}

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	2026-05-18T04:42:42.925460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8219fea086958e3597581205ffba6dfe62859f1df9e02ba611ad9808f2d1b2a1

Aliases

arxiv: 1008.0490 · arxiv_version: 1008.0490v1 · doi: 10.48550/arxiv.1008.0490 · pith_short_12: QIM75IEGSWHD · pith_short_16: QIM75IEGSWHDLF2Y · pith_short_8: QIM75IEG

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/QIM75IEGSWHDLF2YCIC77OTN7Z \
  | 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: 8219fea086958e3597581205ffba6dfe62859f1df9e02ba611ad9808f2d1b2a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2cfc9a3f67f7633fd8f7c474ec9ce306fa19115cb8001766586d96c0194b93",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-08-03T09:09:25Z",
    "title_canon_sha256": "24162d1894e2d782cdb07d617e19ac7ccc234c7e3d9eea689c25c7e479248758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0490",
    "kind": "arxiv",
    "version": 1
  }
}