pith. sign in
Pith Number

pith:N4PKSFCG

pith:2013:N4PKSFCGKASB44FZ3BYQZTZ7C5
not attested not anchored not stored refs pending

Fast and RIP-optimal transforms

Holger Rauhut, Nir Ailon

arxiv:1301.0878 v2 · 2013-01-05 · cs.NA · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N4PKSFCGKASB44FZ3BYQZTZ7C5}

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 2026-05-18T03:33:25.276436Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6f1ea9144650241e70b9d8710ccf3f177d23f048fc5e7cf0f89a5089f4eeebfb

Aliases

arxiv: 1301.0878 · arxiv_version: 1301.0878v2 · doi: 10.48550/arxiv.1301.0878 · pith_short_12: N4PKSFCGKASB · pith_short_16: N4PKSFCGKASB44FZ · pith_short_8: N4PKSFCG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N4PKSFCGKASB44FZ3BYQZTZ7C5 \
  | 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: 6f1ea9144650241e70b9d8710ccf3f177d23f048fc5e7cf0f89a5089f4eeebfb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1dba1c9365411e7f68e462bbf9f17ec213668d571031854330144e6ebfa7c7b6",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-01-05T07:39:15Z",
    "title_canon_sha256": "739db02678d4f479aee2b07e2ac4ee48606c3a7fd101ecc33a94d486774ac7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0878",
    "kind": "arxiv",
    "version": 2
  }
}