Pith Number

pith:GDWL7TQR

pith:2014:GDWL7TQRMYKF7VOUFJ3SWAUTKW

not attested not anchored not stored refs pending

Jacobian syzygies, stable reflexive sheaves, and Torelli properties for projective hypersurfaces with isolated singularities

Alexandru Dimca

arxiv:1408.2244 v4 · 2014-08-10 · 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{GDWL7TQRMYKF7VOUFJ3SWAUTKW}

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	2026-05-18T00:36:33.695662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ecbfce1166145fd5d42a772b029355879d1a523e355ab76b594e33350a2753

Aliases

arxiv: 1408.2244 · arxiv_version: 1408.2244v4 · doi: 10.48550/arxiv.1408.2244 · pith_short_12: GDWL7TQRMYKF · pith_short_16: GDWL7TQRMYKF7VOU · pith_short_8: GDWL7TQR

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/GDWL7TQRMYKF7VOUFJ3SWAUTKW \
  | 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: 30ecbfce1166145fd5d42a772b029355879d1a523e355ab76b594e33350a2753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc00bb3bf2e010764b7e0116ef529ef8924ea42d3b0cb945eff5ef973705922",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-08-10T15:55:12Z",
    "title_canon_sha256": "e48dc6e44b6d9849e814e748c642ea0a70150abcdd126b56329661ace9f96ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2244",
    "kind": "arxiv",
    "version": 4
  }
}