Pith Number

pith:GHY25PUM

pith:2018:GHY25PUMLH2FQQWXK7DUNUFGHR

not attested not anchored not stored refs pending

Spectral Indicator Method for A Non-selfadjoint Steklov Eigenvalue Problem

Jiguang Sun, Juan Liu, Tiara Turner

arxiv:1804.02582 v1 · 2018-04-07 · 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{GHY25PUMLH2FQQWXK7DUNUFGHR}

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	2026-05-18T00:18:59.039380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f1aebe8c59f45842d757c746d0a63c50fb71eedca6ac582d7f5cd63770eda1

Aliases

arxiv: 1804.02582 · arxiv_version: 1804.02582v1 · doi: 10.48550/arxiv.1804.02582 · pith_short_12: GHY25PUMLH2F · pith_short_16: GHY25PUMLH2FQQWX · pith_short_8: GHY25PUM

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/GHY25PUMLH2FQQWXK7DUNUFGHR \
  | 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: 31f1aebe8c59f45842d757c746d0a63c50fb71eedca6ac582d7f5cd63770eda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02f2a4661ce58283600b5cb330c394328c05a7672169bdc43e90103a2519e68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-07T18:33:43Z",
    "title_canon_sha256": "5816366276285f61da5b86deb9407b9718b2ecd6492f743a06ae17be41e81d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02582",
    "kind": "arxiv",
    "version": 1
  }
}