Pith Number

pith:UBYXWSZJ

pith:2014:UBYXWSZJOQGITKJWUQ5KFJEV7V

not attested not anchored not stored refs pending

Flag manifolds with strongly positive curvature

Renato G. Bettiol, Ricardo A. E. Mendes

arxiv:1412.0039 v2 · 2014-11-28 · 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{UBYXWSZJOQGITKJWUQ5KFJEV7V}

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	2026-05-18T01:26:25.527206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0717b4b29740c89a936a43aa2a495fd444b234bfb7bfe9f7bc43f4ba1892f1f

Aliases

arxiv: 1412.0039 · arxiv_version: 1412.0039v2 · doi: 10.48550/arxiv.1412.0039 · pith_short_12: UBYXWSZJOQGI · pith_short_16: UBYXWSZJOQGITKJW · pith_short_8: UBYXWSZJ

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/UBYXWSZJOQGITKJWUQ5KFJEV7V \
  | 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: a0717b4b29740c89a936a43aa2a495fd444b234bfb7bfe9f7bc43f4ba1892f1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5538b3f306e940382bc7876d93fa48e025703b5673454b8d95525571b0fd2cdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-11-28T22:11:28Z",
    "title_canon_sha256": "7e8fab93ac916730681b14e5c507097195ad5136b5b18040624ee0e9fa7409b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0039",
    "kind": "arxiv",
    "version": 2
  }
}