Pith Number

pith:AIGYSKIU

pith:2017:AIGYSKIUPF6RDNWPWZYUZZMQ3G

not attested not anchored not stored refs pending

Perturbation Analysis for Matrix Joint Block Diagonalization

Reng-cang Li, Yunfeng Cai

arxiv:1703.00591 v1 · 2017-03-02 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIGYSKIUPF6RDNWPWZYUZZMQ3G}

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	2026-05-18T00:49:41.279079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

020d892914797d11b6cfb6714ce590d992dd5428d7a0f7e959a21a4792415d5d

Aliases

arxiv: 1703.00591 · arxiv_version: 1703.00591v1 · doi: 10.48550/arxiv.1703.00591 · pith_short_12: AIGYSKIUPF6R · pith_short_16: AIGYSKIUPF6RDNWP · pith_short_8: AIGYSKIU

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/AIGYSKIUPF6RDNWPWZYUZZMQ3G \
  | 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: 020d892914797d11b6cfb6714ce590d992dd5428d7a0f7e959a21a4792415d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0720f1b0e3cd507bd3468c5228f242849689ceabcbe2ad5c6f276669830da9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-02T02:37:50Z",
    "title_canon_sha256": "119c166e0c91f977dff0865832d996719fc4592bb21e5f52100c140bd0a081f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00591",
    "kind": "arxiv",
    "version": 1
  }
}