Pith Number

pith:SRD6CRZ5

pith:2012:SRD6CRZ5XWZ6RIZTUTAHCOTTBP

not attested not anchored not stored refs pending

On the Matrices of Central Linear Mappings

Hans Havlicek

arxiv:1210.1922 v1 · 2012-10-06 · 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{SRD6CRZ5XWZ6RIZTUTAHCOTTBP}

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	2026-05-18T03:43:51.594865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9447e1473dbdb3e8a333a4c0713a730be4493234b6d420888c5742af34eb5c5c

Aliases

arxiv: 1210.1922 · arxiv_version: 1210.1922v1 · doi: 10.48550/arxiv.1210.1922 · pith_short_12: SRD6CRZ5XWZ6 · pith_short_16: SRD6CRZ5XWZ6RIZT · pith_short_8: SRD6CRZ5

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/SRD6CRZ5XWZ6RIZTUTAHCOTTBP \
  | 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: 9447e1473dbdb3e8a333a4c0713a730be4493234b6d420888c5742af34eb5c5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1b88f6f413dd148a8a5bb99875b39a859256c848349710e8d2759d48e162ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-10-06T07:19:10Z",
    "title_canon_sha256": "f86cd4e8a1053b8ba8a7629632ce84225153b1ccbf75a9c87794b288f3648f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1922",
    "kind": "arxiv",
    "version": 1
  }
}