Pith Number

pith:FD575EEV

pith:2014:FD575EEV47LBUJTPYJA4THMNQX

not attested not anchored not stored refs pending

Generalized Rybicki Press algorithm

Sivaram Ambikasaran

arxiv:1409.7852 v4 · 2014-09-27 · math.NA · cs.DS · cs.NA · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FD575EEV47LBUJTPYJA4THMNQX}

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.

Cited by

1 paper in Pith

Confirmation of a non-transiting planet in the habitable zone of the nearby M dwarf L 98-59

Receipt and verification

First computed	2026-05-18T02:17:11.952367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28fbfe9095e7d61a266fc241c99d8d85d670ddced6fe38a3a21a56924a081b42

Aliases

arxiv: 1409.7852 · arxiv_version: 1409.7852v4 · doi: 10.48550/arxiv.1409.7852 · pith_short_12: FD575EEV47LB · pith_short_16: FD575EEV47LBUJTP · pith_short_8: FD575EEV

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/FD575EEV47LBUJTPYJA4THMNQX \
  | 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: 28fbfe9095e7d61a266fc241c99d8d85d670ddced6fe38a3a21a56924a081b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6266f2208bc0f546f865bc0fc0b5b660b910507ada881aa85c3ccac3fd4ac88",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-27T22:24:03Z",
    "title_canon_sha256": "97de51c56bc7b7617ca0acca552b075a185dbc5956da9846a861a4f4f0e060e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7852",
    "kind": "arxiv",
    "version": 4
  }
}