Pith Number

pith:6LLLL7MB

pith:2018:6LLLL7MBFMVQ3Q2VJ525HXXRY4

not attested not anchored not stored refs pending

A new version of the convexification method for a 1-D coefficient inverse problem with experimental data

Aleksandr E. Kolesov, Anders Sullivan, Lam Nguyen, Michael V. Klibanov

arxiv:1805.06025 v1 · 2018-05-15 · 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{6LLLL7MBFMVQ3Q2VJ525HXXRY4}

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	2026-05-18T00:03:05.811950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2d6b5fd812b2b0dc3554f75d3def1c73650c26c4aa60a4f6194e97ad1e4cfa6

Aliases

arxiv: 1805.06025 · arxiv_version: 1805.06025v1 · doi: 10.48550/arxiv.1805.06025 · pith_short_12: 6LLLL7MBFMVQ · pith_short_16: 6LLLL7MBFMVQ3Q2V · pith_short_8: 6LLLL7MB

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/6LLLL7MBFMVQ3Q2VJ525HXXRY4 \
  | 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: f2d6b5fd812b2b0dc3554f75d3def1c73650c26c4aa60a4f6194e97ad1e4cfa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdadc970f0e48fad045942f0581daeb342b06d2f509ce19be369b334a6839226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-15T20:26:07Z",
    "title_canon_sha256": "2e34219c3f707d552c9c0f303e7f214d2fe90e7156377b96a55949ec0d406747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06025",
    "kind": "arxiv",
    "version": 1
  }
}