Pith Number

pith:54JDG7YJ

pith:2015:54JDG7YJGKXNVENMJOXSFLYETN

not attested not anchored not stored refs pending

$L_1$ spline fits via sliding window process : continuous and discrete cases

Eric Nyiri, Laurent Gajny, Olivier Gibaru

arxiv:1510.07557 v1 · 2015-10-26 · 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{54JDG7YJGKXNVENMJOXSFLYETN}

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	2026-05-18T01:29:13.847471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef12337f0932aeda91ac4baf22af049b70178b5d561f215055d206e593b84f23

Aliases

arxiv: 1510.07557 · arxiv_version: 1510.07557v1 · doi: 10.48550/arxiv.1510.07557 · pith_short_12: 54JDG7YJGKXN · pith_short_16: 54JDG7YJGKXNVENM · pith_short_8: 54JDG7YJ

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/54JDG7YJGKXNVENMJOXSFLYETN \
  | 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: ef12337f0932aeda91ac4baf22af049b70178b5d561f215055d206e593b84f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0810485decc023d53406209e30a6fb42b3226a8a14d3c4d3a2925a97141f34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-26T17:27:56Z",
    "title_canon_sha256": "a7713065fa3f448245745be272a57b51bda8cbc96e68d36077b8425954b54dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07557",
    "kind": "arxiv",
    "version": 1
  }
}