Pith Number

pith:KYR2UE4W

pith:2016:KYR2UE4WRUZGGOZGRXO7TGCQ46

not attested not anchored not stored refs pending

Fully Computable Error Bounds for Eigenvalue Problem

Hehu Xie, Meiling Yue, Ning Zhang

arxiv:1601.01561 v2 · 2016-01-07 · 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{KYR2UE4WRUZGGOZGRXO7TGCQ46}

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	2026-05-18T01:12:16.893115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5623aa13968d32633b268dddf99850e7b2ea5b8348983923f23da8c21ea1b19b

Aliases

arxiv: 1601.01561 · arxiv_version: 1601.01561v2 · doi: 10.48550/arxiv.1601.01561 · pith_short_12: KYR2UE4WRUZG · pith_short_16: KYR2UE4WRUZGGOZG · pith_short_8: KYR2UE4W

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/KYR2UE4WRUZGGOZGRXO7TGCQ46 \
  | 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: 5623aa13968d32633b268dddf99850e7b2ea5b8348983923f23da8c21ea1b19b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834de51987d201f89d91cd5f6db5a8548e90e515ac400ffc678c3cba6b452a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-07T15:19:25Z",
    "title_canon_sha256": "e017f1970385c6137f82310d6cb6027ccb23cb4599742a118fd716ce76e361bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01561",
    "kind": "arxiv",
    "version": 2
  }
}