Pith Number

pith:OUVDBSWR

pith:2014:OUVDBSWRPCZZHYAU3AVBKNV5BU

not attested not anchored not stored refs pending

Perturbing eigenvalues of non-negative matrices

Chi-Kwong Li, Xuefeng Wang, Yiu-Tung Poon

arxiv:1402.0917 v1 · 2014-02-05 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUVDBSWRPCZZHYAU3AVBKNV5BU}

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	2026-05-18T03:00:02.309593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752a30cad178b393e014d82a1536bd0d0a74ef78c06960033261f9e01f1f20bd

Aliases

arxiv: 1402.0917 · arxiv_version: 1402.0917v1 · doi: 10.48550/arxiv.1402.0917 · pith_short_12: OUVDBSWRPCZZ · pith_short_16: OUVDBSWRPCZZHYAU · pith_short_8: OUVDBSWR

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/OUVDBSWRPCZZHYAU3AVBKNV5BU \
  | 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: 752a30cad178b393e014d82a1536bd0d0a74ef78c06960033261f9e01f1f20bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd52e8a87185878460b06fee17ab2e850f70ad99155559f785edacefb09b058d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-02-05T00:53:22Z",
    "title_canon_sha256": "59a6c050d0fed2621880b2245465424b5ba4b732ac0ce5a2bfe4cec306cb2755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0917",
    "kind": "arxiv",
    "version": 1
  }
}