Pith Number

pith:WICFV32G

pith:2017:WICFV32GMK74Y3ZZHLLTK5ZRRI

not attested not anchored not stored refs pending

A remark on 1-forms and plane curve singularities

Alexandru Dimca

arxiv:1708.09731 v2 · 2017-08-31 · math.AG · 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{WICFV32GMK74Y3ZZHLLTK5ZRRI}

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	2026-05-18T00:35:54.920164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2045aef4662bfcc6f393ad73577318a0bad33db0222d05e65ed7e80e317d882

Aliases

arxiv: 1708.09731 · arxiv_version: 1708.09731v2 · doi: 10.48550/arxiv.1708.09731 · pith_short_12: WICFV32GMK74 · pith_short_16: WICFV32GMK74Y3ZZ · pith_short_8: WICFV32G

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/WICFV32GMK74Y3ZZHLLTK5ZRRI \
  | 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: b2045aef4662bfcc6f393ad73577318a0bad33db0222d05e65ed7e80e317d882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f38439baaa8f63590ca8e729effbd2281346927da7749b3f0031f0c53807e06b",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-31T14:15:51Z",
    "title_canon_sha256": "614f410ef566e811dd8d92c56090ec045c2eb3bf8abb41ce21c5be8f4ae9a1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09731",
    "kind": "arxiv",
    "version": 2
  }
}