Pith Number

pith:LUSTOHJT

pith:2018:LUSTOHJTEKQMBDVPDD5GJDG4WJ

not attested not anchored not stored refs pending

Index theory and deformations of open nonnegatively curved manifolds

Igor Belegradek

arxiv:1805.02239 v1 · 2018-05-06 · 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{LUSTOHJTEKQMBDVPDD5GJDG4WJ}

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	2026-05-18T00:16:40.480171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d25371d3322a0c08eaf18fa648cdcb255b3929f4a11e38af41673f38556d254

Aliases

arxiv: 1805.02239 · arxiv_version: 1805.02239v1 · doi: 10.48550/arxiv.1805.02239 · pith_short_12: LUSTOHJTEKQM · pith_short_16: LUSTOHJTEKQMBDVP · pith_short_8: LUSTOHJT

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/LUSTOHJTEKQMBDVPDD5GJDG4WJ \
  | 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: 5d25371d3322a0c08eaf18fa648cdcb255b3929f4a11e38af41673f38556d254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef9d58f41793573330eb13e874401bc6625afa48c241021a3c00e07eaa41dfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-06T16:16:55Z",
    "title_canon_sha256": "60128ad5bafdb00850d0c541c76b702c0930afeb9d40ced4fd6908f3526ceb7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02239",
    "kind": "arxiv",
    "version": 1
  }
}