Pith Number

pith:FKZNEUNK

pith:2007:FKZNEUNKNF4LDZETEDFHB24ZZH

not attested not anchored not stored refs pending

Truncated decompositions and filtering methods with Reflective/Anti-Reflective boundary conditions: a comparison

Cristina Tablino Possio

arxiv:0710.5272 v1 · 2007-10-28 · 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{FKZNEUNKNF4LDZETEDFHB24ZZH}

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	2026-06-03T22:06:02.964705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab2d251aa6978b1e49320ca70eb99c9d9ff27a3ea2c726732ce7057c0b5e768

Aliases

arxiv: 0710.5272 · arxiv_version: 0710.5272v1 · doi: 10.48550/arxiv.0710.5272 · pith_short_12: FKZNEUNKNF4L · pith_short_16: FKZNEUNKNF4LDZET · pith_short_8: FKZNEUNK

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/FKZNEUNKNF4LDZETEDFHB24ZZH \
  | 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: 2ab2d251aa6978b1e49320ca70eb99c9d9ff27a3ea2c726732ce7057c0b5e768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf8b05c39886315a538a45642d76473827cdaaa5854c0593f38010aa42c45dc",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-10-28T09:22:14Z",
    "title_canon_sha256": "ed6f348504df9bf8442a4cfc2b78678db64865f928fbb8c6a108449c3c6bec31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5272",
    "kind": "arxiv",
    "version": 1
  }
}