Pith Number

pith:RXDPCLRS

pith:2013:RXDPCLRS6OUQQVCYWGLRJKGJRV

not attested not anchored not stored refs pending

Equivalence and normal forms of bilinear forms

Fernando Szechtman

arxiv:1311.0565 v4 · 2013-11-04 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXDPCLRS6OUQQVCYWGLRJKGJRV}

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	2026-05-18T03:06:44.120844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dc6f12e32f3a9085458b19714a8c98d7c4099373683ce3367f9f9c384068873

Aliases

arxiv: 1311.0565 · arxiv_version: 1311.0565v4 · doi: 10.48550/arxiv.1311.0565 · pith_short_12: RXDPCLRS6OUQ · pith_short_16: RXDPCLRS6OUQQVCY · pith_short_8: RXDPCLRS

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/RXDPCLRS6OUQQVCYWGLRJKGJRV \
  | 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: 8dc6f12e32f3a9085458b19714a8c98d7c4099373683ce3367f9f9c384068873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2744942449049edae4acf28c149169a8b4b70fabd249e3526f85bf27fc1eea1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-11-04T02:34:41Z",
    "title_canon_sha256": "0691cc5eec9b3aed5c0fd1ed29eb5becc0756bc930dbcb4d7b395264255e2e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0565",
    "kind": "arxiv",
    "version": 4
  }
}