Pith Number

pith:CMESB2SK

pith:2015:CMESB2SKVQEFUI3JGZ4ZV4WTX3

not attested not anchored not stored refs pending

Computation of generalized matrix functions

Caterina Fenu, Francesca Arrigo, Michele Benzi

arxiv:1512.01446 v2 · 2015-12-04 · 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{CMESB2SKVQEFUI3JGZ4ZV4WTX3}

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	2026-05-18T01:24:43.430805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

130920ea4aac085a236936799af2d3beecffd48f4db4b38265467cb3edd0d4c8

Aliases

arxiv: 1512.01446 · arxiv_version: 1512.01446v2 · doi: 10.48550/arxiv.1512.01446 · pith_short_12: CMESB2SKVQEF · pith_short_16: CMESB2SKVQEFUI3J · pith_short_8: CMESB2SK

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/CMESB2SKVQEFUI3JGZ4ZV4WTX3 \
  | 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: 130920ea4aac085a236936799af2d3beecffd48f4db4b38265467cb3edd0d4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "459569824dc5b0c597bdef70a2322c1998cd1ee832bd58320328aad30f38c3d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-04T15:13:54Z",
    "title_canon_sha256": "43236809f2bc866cc04651d4b7750fea5c107d20a532236d23e2378d86046cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01446",
    "kind": "arxiv",
    "version": 2
  }
}