Pith Number

pith:NSXW56EA

pith:2011:NSXW56EAVKEBOA562VX6JHXEEP

not attested not anchored not stored refs pending

Linear Mappings of Quaternion Algebra

Aleks Kleyn

arxiv:1107.1139 v2 · 2011-07-06 · 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{NSXW56EAVKEBOA562VX6JHXEEP}

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	2026-05-18T04:18:23.107448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6caf6ef880aa881703bed56fe49ee423dd14db0d9b4ec7e64f57c178eab38593

Aliases

arxiv: 1107.1139 · arxiv_version: 1107.1139v2 · doi: 10.48550/arxiv.1107.1139 · pith_short_12: NSXW56EAVKEB · pith_short_16: NSXW56EAVKEBOA56 · pith_short_8: NSXW56EA

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/NSXW56EAVKEBOA562VX6JHXEEP \
  | 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: 6caf6ef880aa881703bed56fe49ee423dd14db0d9b4ec7e64f57c178eab38593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb66967a03b2c113b5a3793d586370fe01d10c4667dd6a59363b3f7e3beff04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-07-06T14:19:30Z",
    "title_canon_sha256": "6c56e5f84233326454957b63a4436201865021f538a641fb9361d63d819d8edb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1139",
    "kind": "arxiv",
    "version": 2
  }
}