Pith Number

pith:LQGM2L3H

pith:2011:LQGM2L3HF2XBGBAOG2DQA7SPC6

not attested not anchored not stored refs pending

Real algebraic geometry for matrices over commutative rings

Jaka Cimpric

arxiv:1106.5239 v2 · 2011-06-26 · 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{LQGM2L3HF2XBGBAOG2DQA7SPC6}

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	2026-05-18T03:56:46.224407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c0ccd2f672eae13040e3687007e4f179c0252c9aae3bd62f037ffd30377e81a

Aliases

arxiv: 1106.5239 · arxiv_version: 1106.5239v2 · doi: 10.48550/arxiv.1106.5239 · pith_short_12: LQGM2L3HF2XB · pith_short_16: LQGM2L3HF2XBGBAO · pith_short_8: LQGM2L3H

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/LQGM2L3HF2XBGBAOG2DQA7SPC6 \
  | 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: 5c0ccd2f672eae13040e3687007e4f179c0252c9aae3bd62f037ffd30377e81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc05dbd06f925e66d5f617c3c160b1716e94583fdb7a9722d185ebba1a9e36a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-06-26T17:10:09Z",
    "title_canon_sha256": "993c32e293475e5d7b8517032139d70818f72bb42eb22a51b2bef01e9c16b331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5239",
    "kind": "arxiv",
    "version": 2
  }
}