Pith Number

pith:VF7E6IEZ

pith:2017:VF7E6IEZL2DGAIITZ7IY5BCDDA

not attested not anchored not stored refs pending

On the covariance of X in AX = XB

Huy Nguyen, Quang-Cuong Pham

arxiv:1706.03498 v1 · 2017-06-12 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF7E6IEZL2DGAIITZ7IY5BCDDA}

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	2026-05-18T00:42:34.540167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a97e4f20995e86602113cfd18e844318108c99dcb64e8dfe0c127c88f1b8d1e8

Aliases

arxiv: 1706.03498 · arxiv_version: 1706.03498v1 · doi: 10.48550/arxiv.1706.03498 · pith_short_12: VF7E6IEZL2DG · pith_short_16: VF7E6IEZL2DGAIIT · pith_short_8: VF7E6IEZ

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/VF7E6IEZL2DGAIITZ7IY5BCDDA \
  | 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: a97e4f20995e86602113cfd18e844318108c99dcb64e8dfe0c127c88f1b8d1e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91060549b22c853823fda48a9f314904547073f64d9a706e4a71d7504a73ab2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-06-12T08:07:20Z",
    "title_canon_sha256": "6e2209efced9300d3e2aee9a04e337dc94e5cd355631c9dbbaf9fdb2896f34fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03498",
    "kind": "arxiv",
    "version": 1
  }
}