Pith Number

pith:GAWK4LRA

pith:2017:GAWK4LRAJLTUB37DWCLEBQPF5H

not attested not anchored not stored refs pending

Multiplicity, regularity and blow-spherical equivalence of complex analytic sets

J. Edson Sampaio

arxiv:1702.06213 v2 · 2017-02-20 · math.AG · math.AT · 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{GAWK4LRAJLTUB37DWCLEBQPF5H}

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	2026-05-18T00:44:51.510588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

302cae2e204ae740efe3b09640c1e5e9f388948f130432ac6c1ba6fea61f856a

Aliases

arxiv: 1702.06213 · arxiv_version: 1702.06213v2 · doi: 10.48550/arxiv.1702.06213 · pith_short_12: GAWK4LRAJLTU · pith_short_16: GAWK4LRAJLTUB37D · pith_short_8: GAWK4LRA

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/GAWK4LRAJLTUB37DWCLEBQPF5H \
  | 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: 302cae2e204ae740efe3b09640c1e5e9f388948f130432ac6c1ba6fea61f856a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c00e5bbf3ebf626f119d6c3c3b3e476659dcdcf8fa3979931ebb36fa99b519e",
    "cross_cats_sorted": [
      "math.AT",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-20T23:45:21Z",
    "title_canon_sha256": "39e6953b72d6479b4c29bfb84c5559731161b0ba40c96c548ee663fc4b2a2b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06213",
    "kind": "arxiv",
    "version": 2
  }
}