Pith Number

pith:5MRI4VGZ

pith:2018:5MRI4VGZNVORKM4X3IYX6HKKCZ

not attested not anchored not stored refs pending

A multigrid correction scheme for a new Steklov eigenvalue problem in inverse scattering

Hai Bi, Yidu Yang, Yu Zhang

arxiv:1806.05788 v1 · 2018-06-15 · 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{5MRI4VGZNVORKM4X3IYX6HKKCZ}

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	2026-05-18T00:13:09.459607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb228e54d96d5d153397da317f1d4a1648bd03fdc61e3c9c0977bcd98d35803a

Aliases

arxiv: 1806.05788 · arxiv_version: 1806.05788v1 · doi: 10.48550/arxiv.1806.05788 · pith_short_12: 5MRI4VGZNVOR · pith_short_16: 5MRI4VGZNVORKM4X · pith_short_8: 5MRI4VGZ

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/5MRI4VGZNVORKM4X3IYX6HKKCZ \
  | 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: eb228e54d96d5d153397da317f1d4a1648bd03fdc61e3c9c0977bcd98d35803a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09790051dd08d17d45d0ec501cfb4d3a23e7e9e8e8dfbcc0e8a335cb070f0867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-15T02:11:04Z",
    "title_canon_sha256": "083f00d17555f655e6b45ddbac2fba90af185ba39eb4a7672d48530738c7ae1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05788",
    "kind": "arxiv",
    "version": 1
  }
}