Pith Number

pith:N6FOQ236

pith:2009:N6FOQ236YAQH4VL7FLW63VFWIR

not attested not anchored not stored refs pending

Determinantal representations of singular hypersurfaces in P^n

Dmitry Kerner, Victor Vinnikov

arxiv:0906.3012 v4 · 2009-06-16 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6FOQ236YAQH4VL7FLW63VFWIR}

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	2026-05-18T03:45:23.499512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8ae86b7ec0207e557f2aededd4b644674ee4ff4768228a7316fa94917a824a

Aliases

arxiv: 0906.3012 · arxiv_version: 0906.3012v4 · doi: 10.48550/arxiv.0906.3012 · pith_short_12: N6FOQ236YAQH · pith_short_16: N6FOQ236YAQH4VL7 · pith_short_8: N6FOQ236

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/N6FOQ236YAQH4VL7FLW63VFWIR \
  | 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: 6f8ae86b7ec0207e557f2aededd4b644674ee4ff4768228a7316fa94917a824a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f3a5dc2b1e2e30489fbd9de2a8bfbff5e87bc3f266220a5565990463e0fbc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-06-16T20:03:34Z",
    "title_canon_sha256": "b7e7c23eb3a12d13d1f166aa5a622869dfda356248046dffe23374d2f496e70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3012",
    "kind": "arxiv",
    "version": 4
  }
}