Pith Number

pith:LNQ6XUPQ

pith:2013:LNQ6XUPQWOKFYLREY3727SY7DK

not attested not anchored not stored refs pending

Optimal polygonal L1 linearization and fast interpolation of nonlinear systems

Daniel Berj\'on, Guillermo Gallego, Narciso Garc\'ia

arxiv:1312.7815 v2 · 2013-12-30 · math.OC · cs.SY · math.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{LNQ6XUPQWOKFYLREY3727SY7DK}

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	2026-05-18T00:31:00.715161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b61ebd1f0b3945c2e24c6ffafcb1f1abfa0e0dbd36d5bf229d9cc0d96731235

Aliases

arxiv: 1312.7815 · arxiv_version: 1312.7815v2 · doi: 10.48550/arxiv.1312.7815 · pith_short_12: LNQ6XUPQWOKF · pith_short_16: LNQ6XUPQWOKFYLRE · pith_short_8: LNQ6XUPQ

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/LNQ6XUPQWOKFYLREY3727SY7DK \
  | 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: 5b61ebd1f0b3945c2e24c6ffafcb1f1abfa0e0dbd36d5bf229d9cc0d96731235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d443fefa65aac0f6813ba03e80c5708b41c28049a1cc9e59ceb8820102b52ab5",
    "cross_cats_sorted": [
      "cs.SY",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-30T18:39:20Z",
    "title_canon_sha256": "2c7abf3f99aeedd3852f7d66222e470fe5bce562cd253c41b2b2c00bdfdc0270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7815",
    "kind": "arxiv",
    "version": 2
  }
}