Pith Number

pith:4WVISV56

pith:2018:4WVISV567R5CM4L2I6XE5O7VU7

not attested not anchored not stored refs pending

A Preconditioned Riemannian Gauss-Newton Method for Least Squares Inverse Eigenvalue Problems

Teng-Teng Yao, Xiao-Qing Jin, Zheng-Jian Bai, Zhi Zhao

arxiv:1806.06327 v1 · 2018-06-17 · 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{4WVISV567R5CM4L2I6XE5O7VU7}

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	2026-05-18T00:13:02.862526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5aa8957befc7a26717a47ae4ebbf5a7f83f5a05dcd396d48604207a8d6afce6

Aliases

arxiv: 1806.06327 · arxiv_version: 1806.06327v1 · doi: 10.48550/arxiv.1806.06327 · pith_short_12: 4WVISV567R5C · pith_short_16: 4WVISV567R5CM4L2 · pith_short_8: 4WVISV56

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/4WVISV567R5CM4L2I6XE5O7VU7 \
  | 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: e5aa8957befc7a26717a47ae4ebbf5a7f83f5a05dcd396d48604207a8d6afce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a878b0722ad0cf3f4467d0d30d6c8d8e2ca554c7c7c4b2d20beefc4d987f7821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-17T02:42:11Z",
    "title_canon_sha256": "bd4607518f26668bf2a0961b068dfc1de7de8ddcd3b04918d6eeb2940cefb232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06327",
    "kind": "arxiv",
    "version": 1
  }
}