Pith Number

pith:BRCVWPAZ

pith:2017:BRCVWPAZSC3RRMBJ7HBJ2VT3QL

not attested not anchored not stored refs pending

Probabilistic estimation of the rank 1 cross approximation accuracy

Alexander Osinsky

arxiv:1706.10285 v1 · 2017-06-30 · 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{BRCVWPAZSC3RRMBJ7HBJ2VT3QL}

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	2026-06-04T18:10:58.556741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c455b3c1990b718b029f9c29d567b82c58d33c889ec3003d68498d28d551fa6

Aliases

arxiv: 1706.10285 · arxiv_version: 1706.10285v1 · doi: 10.48550/arxiv.1706.10285 · pith_short_12: BRCVWPAZSC3R · pith_short_16: BRCVWPAZSC3RRMBJ · pith_short_8: BRCVWPAZ

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/BRCVWPAZSC3RRMBJ7HBJ2VT3QL \
  | 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: 0c455b3c1990b718b029f9c29d567b82c58d33c889ec3003d68498d28d551fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95070212a71ced912337f4e77396c0427585070d34d3055f75de7ec903e7393f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-30T17:32:48Z",
    "title_canon_sha256": "8d340c35757e7def88b933f161f97448383d203a996d2d34925585c0d2804d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.10285",
    "kind": "arxiv",
    "version": 1
  }
}