Pith Number

pith:KLFVBWFY

pith:2013:KLFVBWFYUEDR67LDXFHPCBWLHM

not attested not anchored not stored refs pending

Iterative representing set selection for nested cross approximation

A. Yu Mikhalev, I. V. Oseledets

arxiv:1309.1773 v3 · 2013-09-06 · 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{KLFVBWFYUEDR67LDXFHPCBWLHM}

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	2026-05-18T01:26:58.559450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52cb50d8b8a1071f7d63b94ef106cb3b21db35e50c01fb6b17a4189145e32065

Aliases

arxiv: 1309.1773 · arxiv_version: 1309.1773v3 · doi: 10.48550/arxiv.1309.1773 · pith_short_12: KLFVBWFYUEDR · pith_short_16: KLFVBWFYUEDR67LD · pith_short_8: KLFVBWFY

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/KLFVBWFYUEDR67LDXFHPCBWLHM \
  | 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: 52cb50d8b8a1071f7d63b94ef106cb3b21db35e50c01fb6b17a4189145e32065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54dac60555a02cdfa95d026d360a819dce7e944da7de7ac79ba0c6d15d626948",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-06T20:32:20Z",
    "title_canon_sha256": "9aa5279886cd1ef9667be0cb88dfe3fd59ff56abfc077fca2dd6e95f65720434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1773",
    "kind": "arxiv",
    "version": 3
  }
}