Pith Number

pith:VXRDKZKR

pith:2014:VXRDKZKRQTNXAWWNFVDMKABZF5

not attested not anchored not stored refs pending

A simultaneous decomposition of seven matrices over real quaternion algebra and its applications

Qing-Wen Wang, Zhuo-Heng He

arxiv:1409.1453 v1 · 2014-09-04 · 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{VXRDKZKRQTNXAWWNFVDMKABZF5}

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	2026-05-18T02:43:26.891881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade235655184db705acd2d46c500392f6e80ea4be9487fd3c15fb30d8668fdb9

Aliases

arxiv: 1409.1453 · arxiv_version: 1409.1453v1 · doi: 10.48550/arxiv.1409.1453 · pith_short_12: VXRDKZKRQTNX · pith_short_16: VXRDKZKRQTNXAWWN · pith_short_8: VXRDKZKR

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/VXRDKZKRQTNXAWWNFVDMKABZF5 \
  | 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: ade235655184db705acd2d46c500392f6e80ea4be9487fd3c15fb30d8668fdb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61eb21defef17125395bce11d81367cb3b6fbcbf2f3741c364d6e4239ded5a73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-09-04T14:38:51Z",
    "title_canon_sha256": "2a448f9a01657a21aebfc4ab256e028c706f99125a974fcca0db5f080af97c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1453",
    "kind": "arxiv",
    "version": 1
  }
}