Pith Number

pith:SBZZ6Y7D

pith:2009:SBZZ6Y7DL5J7T6OTMQAEOTSXEN

not attested not anchored not stored refs pending

Connected sum construction for $\sigma_k$-Yamabe metrics

Giovanni Catino, Lorenzo Mazzieri

arxiv:0910.5353 v2 · 2009-10-28 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBZZ6Y7DL5J7T6OTMQAEOTSXEN}

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	2026-05-18T02:40:47.831075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90739f63e35f53f9f9d36400474e57235e4185545e7af8d2a7423454573de9db

Aliases

arxiv: 0910.5353 · arxiv_version: 0910.5353v2 · doi: 10.48550/arxiv.0910.5353 · pith_short_12: SBZZ6Y7DL5J7 · pith_short_16: SBZZ6Y7DL5J7T6OT · pith_short_8: SBZZ6Y7D

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/SBZZ6Y7DL5J7T6OTMQAEOTSXEN \
  | 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: 90739f63e35f53f9f9d36400474e57235e4185545e7af8d2a7423454573de9db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9abb3be682dc9c4d42f3c7aa96393313376a00afaa81bdd15457ec5d42072e38",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-28T11:44:05Z",
    "title_canon_sha256": "17d16e326a941e24bc3e4bc50d724e35f5c2b5e580abe49175ab5e4363b24143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5353",
    "kind": "arxiv",
    "version": 2
  }
}