pith. sign in
Pith Number

pith:F25UZUQ2

pith:2014:F25UZUQ2QIT7PQBILRDK62LR2S
not attested not anchored not stored refs pending

Algorithms that satisfy a stopping criterion, probably

Farbod Roosta-Khorasani, Uri Ascher

arxiv:1408.5946 v2 · 2014-08-25 · cs.NA · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{F25UZUQ2QIT7PQBILRDK62LR2S}

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 2026-05-18T02:32:13.760504Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2ebb4cd21a8227f7c0285c46af6971d48003dd2b34045003b56db25b56e531e7

Aliases

arxiv: 1408.5946 · arxiv_version: 1408.5946v2 · doi: 10.48550/arxiv.1408.5946 · pith_short_12: F25UZUQ2QIT7 · pith_short_16: F25UZUQ2QIT7PQBI · pith_short_8: F25UZUQ2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F25UZUQ2QIT7PQBILRDK62LR2S \
  | 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: 2ebb4cd21a8227f7c0285c46af6971d48003dd2b34045003b56db25b56e531e7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1b65e35d50c8b7fd336b3c4f4840b311e2ee62ce479bd33360c14b56a383a4cb",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-08-25T23:23:56Z",
    "title_canon_sha256": "f51079a2186edd1f250ea29946e10d214ae0ba10c0a469ad014ccd8e23f65a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5946",
    "kind": "arxiv",
    "version": 2
  }
}