Pith Number

pith:EJ53QCKW

pith:2018:EJ53QCKWR2PDF6Y7DE753SZLED

not attested not anchored not stored refs pending

Mixed Bruce-Roberts numbers

Carles Bivi\`a-Ausina, Mar\'ia Aparecida Soares Ruas

arxiv:1810.10570 v1 · 2018-10-24 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJ53QCKWR2PDF6Y7DE753SZLED}

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.

Cited by

1 paper in Pith

The Bruce-Roberts number of a function on a hypersurface with isolated singularity

Receipt and verification

First computed	2026-05-18T00:02:20.131390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227bb809568e9e32fb1f193fddcb2b20dc423ee430798b70c3b3b4b469c7168b

Aliases

arxiv: 1810.10570 · arxiv_version: 1810.10570v1 · doi: 10.48550/arxiv.1810.10570 · pith_short_12: EJ53QCKWR2PD · pith_short_16: EJ53QCKWR2PDF6Y7 · pith_short_8: EJ53QCKW

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/EJ53QCKWR2PDF6Y7DE753SZLED \
  | 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: 227bb809568e9e32fb1f193fddcb2b20dc423ee430798b70c3b3b4b469c7168b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2c0cdd3124ec265a46c42b15b6ade02e7882d8b9bff464560d1e65ea9da9cb",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-24T18:29:42Z",
    "title_canon_sha256": "78309c9e4ae6be6a1c034488debc36c6c70cc7469676f67385308241fd16c43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10570",
    "kind": "arxiv",
    "version": 1
  }
}