Pith Number

pith:SU2WI2LP

pith:2014:SU2WI2LP2BZ6YW2NWK5EZC7VU7

not attested not anchored not stored refs pending

L1 Control Theoretic Smoothing Splines

Clyde F. Martin, Masaaki Nagahara

arxiv:1407.1697 v2 · 2014-07-07 · cs.IT · cs.SY · math.IT · math.OC · 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{SU2WI2LP2BZ6YW2NWK5EZC7VU7}

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	2026-05-18T01:42:41.442614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

953564696fd073ec5b4db2ba4c8bf5a7f346379590405b706afd0243166dd14e

Aliases

arxiv: 1407.1697 · arxiv_version: 1407.1697v2 · doi: 10.48550/arxiv.1407.1697 · pith_short_12: SU2WI2LP2BZ6 · pith_short_16: SU2WI2LP2BZ6YW2N · pith_short_8: SU2WI2LP

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/SU2WI2LP2BZ6YW2NWK5EZC7VU7 \
  | 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: 953564696fd073ec5b4db2ba4c8bf5a7f346379590405b706afd0243166dd14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "994dbc472ba73f54587027e091e1327f16c9a79915264a05e0dd72eafe2c07da",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-07T12:58:30Z",
    "title_canon_sha256": "8797a26289a24daeaa61fd4593009c52fb07977931d63db6f58c84de3b88a7d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1697",
    "kind": "arxiv",
    "version": 2
  }
}