Pith Number

pith:5KIB7VRT

pith:2014:5KIB7VRTUYYMROJCEMFLCFKB4G

not attested not anchored not stored refs pending

Exponential Splines and Pseudo-Splines: Generation versus reproduction of exponential polynomials

Costanza Conti, Luca Gemignani, Lucia Romani

arxiv:1404.6624 v2 · 2014-04-26 · 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{5KIB7VRTUYYMROJCEMFLCFKB4G}

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	2026-05-18T02:37:44.567106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea901fd633a630c8b922230ab11541e186fbc692249731c24667a09ad84e7231

Aliases

arxiv: 1404.6624 · arxiv_version: 1404.6624v2 · doi: 10.48550/arxiv.1404.6624 · pith_short_12: 5KIB7VRTUYYM · pith_short_16: 5KIB7VRTUYYMROJC · pith_short_8: 5KIB7VRT

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/5KIB7VRTUYYMROJCEMFLCFKB4G \
  | 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: ea901fd633a630c8b922230ab11541e186fbc692249731c24667a09ad84e7231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "580efc88223cc0d3d821ee6e83c01cd0035afd7e56dacb0c9777a02a1eedea3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-26T08:21:57Z",
    "title_canon_sha256": "c4351e20d889bb5cf45be21ee167002db1807b29c25b545b042f43f6a325fb1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6624",
    "kind": "arxiv",
    "version": 2
  }
}