Pith Number

pith:R35QOFPM

pith:2014:R35QOFPMPT3E6MYKA4FDCC553X

not attested not anchored not stored refs pending

Computing Hadamard type operators of variable fractional order

Delfim F. M. Torres, Ricardo Almeida

arxiv:1412.5229 v1 · 2014-12-16 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R35QOFPMPT3E6MYKA4FDCC553X}

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	2026-05-18T02:23:26.235384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efb0715ec7cf64f330a070a310bbdddf04932d2cae0a3f3f6551fe20390f86d

Aliases

arxiv: 1412.5229 · arxiv_version: 1412.5229v1 · doi: 10.48550/arxiv.1412.5229 · pith_short_12: R35QOFPMPT3E · pith_short_16: R35QOFPMPT3E6MYK · pith_short_8: R35QOFPM

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/R35QOFPMPT3E6MYKA4FDCC553X \
  | 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: 8efb0715ec7cf64f330a070a310bbdddf04932d2cae0a3f3f6551fe20390f86d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c4b882dfe04221604b3b59e42349f7b2380e96d38e1c7e624213894dac022fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-12-16T23:45:23Z",
    "title_canon_sha256": "fcb0739f6212eaf4ebcf472a0e07badc34e70bfbbce5d2c7c22ae9799fbf5a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5229",
    "kind": "arxiv",
    "version": 1
  }
}