Pith Number

pith:QBHO32HM

pith:2015:QBHO32HME42TGEBNLWBZCPYJFL

not attested not anchored not stored refs pending

Comparing the commutative and non-commutative resolutions for determinantal varieties of skew symmetric and symmetric matrices

Michel Van den Bergh, \v{S}pela \v{S}penko

arxiv:1511.07290 v2 · 2015-11-23 · 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{QBHO32HME42TGEBNLWBZCPYJFL}

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	2026-05-18T01:14:52.766468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804eede8ec273533102d5d83913f092ad873f799d94a050e0938cefed0d172b3

Aliases

arxiv: 1511.07290 · arxiv_version: 1511.07290v2 · doi: 10.48550/arxiv.1511.07290 · pith_short_12: QBHO32HME42T · pith_short_16: QBHO32HME42TGEBN · pith_short_8: QBHO32HM

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/QBHO32HME42TGEBNLWBZCPYJFL \
  | 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: 804eede8ec273533102d5d83913f092ad873f799d94a050e0938cefed0d172b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1b357c6abba57adb049a412e3a6efbbe0635d1d38831edb8ceea34519f491fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-11-23T16:01:32Z",
    "title_canon_sha256": "cec3295bbcdea5b9f60db3841057b682b4f161967323c83cc8b93015e82f85d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07290",
    "kind": "arxiv",
    "version": 2
  }
}