Pith Number

pith:RLX4V2C3

pith:2012:RLX4V2C3CK2XN2ZVGT7ITR5Y6J

not attested not anchored not stored refs pending

Complexity of intersections of real quadrics and topology of symmetric determinantal varieties

Antonio Lerario

arxiv:1211.1444 v1 · 2012-11-07 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RLX4V2C3CK2XN2ZVGT7ITR5Y6J}

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	2026-05-18T03:41:20.945802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aefcae85b12b576eb3534fe89c7b8f2470a84a93a67cf906720f783b67b496a

Aliases

arxiv: 1211.1444 · arxiv_version: 1211.1444v1 · doi: 10.48550/arxiv.1211.1444 · pith_short_12: RLX4V2C3CK2X · pith_short_16: RLX4V2C3CK2XN2ZV · pith_short_8: RLX4V2C3

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/RLX4V2C3CK2XN2ZVGT7ITR5Y6J \
  | 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: 8aefcae85b12b576eb3534fe89c7b8f2470a84a93a67cf906720f783b67b496a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76657939d380ec0b51e5deb8fabae948be0308508e764c39536230bf238a23b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-11-07T03:47:51Z",
    "title_canon_sha256": "dfc4c22428df8e3bb0d975b88931eae67a1d17531640cc651359247263a317ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1444",
    "kind": "arxiv",
    "version": 1
  }
}