Pith Number

pith:5Z2NQRS5

pith:2018:5Z2NQRS5AHYAYYZ67BA6WLNGT5

not attested not anchored not stored refs pending

Kinetic Methods for Inverse Problems

Giuseppe Visconti, Michael Herty

arxiv:1811.09387 v2 · 2018-11-23 · math.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Z2NQRS5AHYAYYZ67BA6WLNGT5}

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	2026-05-17T23:50:58.854129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee74d8465d01f00c633ef841eb2da69f5778dd4544e5ee5d45f47a3db82b670c

Aliases

arxiv: 1811.09387 · arxiv_version: 1811.09387v2 · doi: 10.48550/arxiv.1811.09387 · pith_short_12: 5Z2NQRS5AHYA · pith_short_16: 5Z2NQRS5AHYAYYZ6 · pith_short_8: 5Z2NQRS5

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/5Z2NQRS5AHYAYYZ67BA6WLNGT5 \
  | 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: ee74d8465d01f00c633ef841eb2da69f5778dd4544e5ee5d45f47a3db82b670c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5328cc2cf85c8f5a6be4d0811f66ba79d3ea41e37044d390e57f54d3ad8754f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-23T08:33:11Z",
    "title_canon_sha256": "f22cd57294e76ae7ac0ffe09f697e8cd254340dbe0c132798c190a7147adfbfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09387",
    "kind": "arxiv",
    "version": 2
  }
}