Pith Number

pith:F3SCRZNF

pith:2016:F3SCRZNF525ZD2X4QSBW3SIXQN

not attested not anchored not stored refs pending

On Some Inverse Eigenvalue Problems of Quadratic Palindromic Systems

Jiang Qian, Yunfeng Cai

arxiv:1606.03840 v1 · 2016-06-13 · 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{F3SCRZNF525ZD2X4QSBW3SIXQN}

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	2026-05-18T01:12:32.926741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee428e5a5eebb91eafc84836dc917836ccbc659b956ebdd4a841446ff71766d

Aliases

arxiv: 1606.03840 · arxiv_version: 1606.03840v1 · doi: 10.48550/arxiv.1606.03840 · pith_short_12: F3SCRZNF525Z · pith_short_16: F3SCRZNF525ZD2X4 · pith_short_8: F3SCRZNF

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/F3SCRZNF525ZD2X4QSBW3SIXQN \
  | 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: 2ee428e5a5eebb91eafc84836dc917836ccbc659b956ebdd4a841446ff71766d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58cdd1203507b77b7266346d406e9febbcf55027737369f09b97898c28422b0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-13T07:17:27Z",
    "title_canon_sha256": "6eb65f3657d41f3ccfab3fe3426b492a78dc6276d4ebefe6d6f1243dede0eaac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03840",
    "kind": "arxiv",
    "version": 1
  }
}