Pith Number

pith:M5FYMHRW

pith:2017:M5FYMHRWDSQHIMCLJU63SHCHJK

not attested not anchored not stored refs pending

Note on regions containing eigenvalues of a matrix

Chaoqian Li, Qingbing Liu, Suhua Li

arxiv:1706.02010 v1 · 2017-06-06 · 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{M5FYMHRWDSQHIMCLJU63SHCHJK}

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	2026-05-18T00:42:50.503850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

674b861e361ca074304b4d3db91c474abf94662ce8985f82fe33d4ef5941e6e9

Aliases

arxiv: 1706.02010 · arxiv_version: 1706.02010v1 · doi: 10.48550/arxiv.1706.02010 · pith_short_12: M5FYMHRWDSQH · pith_short_16: M5FYMHRWDSQHIMCL · pith_short_8: M5FYMHRW

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/M5FYMHRWDSQHIMCLJU63SHCHJK \
  | 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: 674b861e361ca074304b4d3db91c474abf94662ce8985f82fe33d4ef5941e6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53b7c1a14d5d11130c7c89677cd0db4ace1bf8cc48448261fc60592e97413e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2017-06-06T23:56:12Z",
    "title_canon_sha256": "2bb9a23879dda25d71f4ef0181699668c3f0b38f5d75d27fec315354c5481f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02010",
    "kind": "arxiv",
    "version": 1
  }
}