Pith Number

pith:B25IV4BC

pith:2023:B25IV4BCWZHGKKTLJMIWJP77CP

not attested not anchored not stored refs pending

On the Periodicity of Singular Vectors and the Holomorphic Block-Circulant SVD on the Unit Circumference

Giovanni Barbarino

arxiv:2312.00707 v1 · 2023-12-01 · 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{B25IV4BCWZHGKKTLJMIWJP77CP}

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	2026-07-05T07:19:13.311222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eba8af022b64e652a6b4b1164bfff13c53135be23ec4c5628bd3c5c1e6b1165

Aliases

arxiv: 2312.00707 · arxiv_version: 2312.00707v1 · doi: 10.48550/arxiv.2312.00707 · pith_short_12: B25IV4BCWZHG · pith_short_16: B25IV4BCWZHGKKTL · pith_short_8: B25IV4BC

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/B25IV4BCWZHGKKTLJMIWJP77CP \
  | 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: 0eba8af022b64e652a6b4b1164bfff13c53135be23ec4c5628bd3c5c1e6b1165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f8488bc27331a4291028072735f2bbbf44a0931782d6eaa26aca8e89cb572e2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-12-01T16:42:01Z",
    "title_canon_sha256": "5bf3188fc072697756fa583512108c1f646f6a95f7d9bfcb336f8d9fc070abd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.00707",
    "kind": "arxiv",
    "version": 1
  }
}