Pith Number

pith:AADL322T

pith:2009:AADL322TJVYN2VANVONYK3SOWW

not attested not anchored not stored refs pending

An estimate for the sectional curvature of cylindrically bounded submanifolds

G. Pacelli Bessa, J. Fabio Montenegro, Luis J. Alias

arxiv:0907.5025 v3 · 2009-07-28 · 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{AADL322TJVYN2VANVONYK3SOWW}

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	2026-05-18T04:12:02.471499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0006bdeb534d70dd540dab9b856e4eb598336b409c3fe107e53b9f7b2e78e9f5

Aliases

arxiv: 0907.5025 · arxiv_version: 0907.5025v3 · doi: 10.48550/arxiv.0907.5025 · pith_short_12: AADL322TJVYN · pith_short_16: AADL322TJVYN2VAN · pith_short_8: AADL322T

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/AADL322TJVYN2VANVONYK3SOWW \
  | 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: 0006bdeb534d70dd540dab9b856e4eb598336b409c3fe107e53b9f7b2e78e9f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d7c7d09aa400cebcae30c4e1f64b0e15e68b1fc2c7fc8e21ebd6f9c0983402b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-07-28T23:54:48Z",
    "title_canon_sha256": "da9c96b1f511a036af97687397e38de068c70d01b1dbbeca67cbda377b526749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5025",
    "kind": "arxiv",
    "version": 3
  }
}