Pith Number

pith:YO7G2HW5

pith:2014:YO7G2HW57XD35C2QCUS37YEV42

not attested not anchored not stored refs pending

Differential equations for real-structured (and unstructured) defectivity measures

Manuela Manetta, Nicola Guglielmi, Paolo Butt\`a, Silvia Noschese

arxiv:1404.3592 v1 · 2014-04-14 · math.NA · cs.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{YO7G2HW57XD35C2QCUS37YEV42}

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	2026-06-04T16:08:31.524630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3be6d1eddfdc7be8b501525bfe095e6930c274fce5776d8f73a120ba8f00e5a

Aliases

arxiv: 1404.3592 · arxiv_version: 1404.3592v1 · doi: 10.48550/arxiv.1404.3592 · pith_short_12: YO7G2HW57XD3 · pith_short_16: YO7G2HW57XD35C2Q · pith_short_8: YO7G2HW5

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/YO7G2HW57XD35C2QCUS37YEV42 \
  | 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: c3be6d1eddfdc7be8b501525bfe095e6930c274fce5776d8f73a120ba8f00e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804f0ef73c43f61420906212beb759187ceb87a79a7511d3f7de4a415c9c170e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-14T14:09:54Z",
    "title_canon_sha256": "a90b43c1d8080ea81068fa0eef4218d62998a9e9e829c087140afac38a24e6fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3592",
    "kind": "arxiv",
    "version": 1
  }
}