Pith Number

pith:BHO46DBT

pith:2015:BHO46DBTBFNW4LVTLP55Q7FLSR

not attested not anchored not stored refs pending

On conjectures of Itoh and of Lipman on the cohomology of normalized blow-ups

Manoj Kummini, Shreedevi K. Masuti

arxiv:1507.03343 v1 · 2015-07-13 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHO46DBTBFNW4LVTLP55Q7FLSR}

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	2026-05-18T01:36:59.028310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ddcf0c33095b6e2eb35bfbd87cab946f08f997c745351a2de713d6c93e6238

Aliases

arxiv: 1507.03343 · arxiv_version: 1507.03343v1 · doi: 10.48550/arxiv.1507.03343 · pith_short_12: BHO46DBTBFNW · pith_short_16: BHO46DBTBFNW4LVT · pith_short_8: BHO46DBT

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/BHO46DBTBFNW4LVTLP55Q7FLSR \
  | 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: 09ddcf0c33095b6e2eb35bfbd87cab946f08f997c745351a2de713d6c93e6238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d64314b29c6ea18df2b83a99a09786c5c92652e5a9a327dcab3afe3812f235d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-07-13T07:33:25Z",
    "title_canon_sha256": "aa657169125f4140dab107ec9595bc2581c83cfc890c99337041f24b1cfffb3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03343",
    "kind": "arxiv",
    "version": 1
  }
}