Pith Number

pith:Y3MTK5EZ

pith:2017:Y3MTK5EZPFDOQDHBGK2Z2RRNDX

not attested not anchored not stored refs pending

Constructive N\'eron Desingularization of algebras with big smooth locus

Dorin Popescu, Gerhard Pfister, Zunaira Kosar

arxiv:1702.01867 v2 · 2017-02-07 · 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{Y3MTK5EZPFDOQDHBGK2Z2RRNDX}

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	2026-05-18T00:39:28.719845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6d93574997946e80ce132b59d462d1de6f693ca84e45b59a0bde338e4833890

Aliases

arxiv: 1702.01867 · arxiv_version: 1702.01867v2 · doi: 10.48550/arxiv.1702.01867 · pith_short_12: Y3MTK5EZPFDO · pith_short_16: Y3MTK5EZPFDOQDHB · pith_short_8: Y3MTK5EZ

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/Y3MTK5EZPFDOQDHBGK2Z2RRNDX \
  | 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: c6d93574997946e80ce132b59d462d1de6f693ca84e45b59a0bde338e4833890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b510d76fc7fea47d5da9721ed97e0f0d0b0574e032b48e5ad9e0d8090f7f98",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-02-07T03:37:14Z",
    "title_canon_sha256": "83bd427d136183c2c4bb570338e4bd5560c25a2c8046cac08b05793b43315e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01867",
    "kind": "arxiv",
    "version": 2
  }
}