Pith Number

pith:DO5DE5GV

pith:2020:DO5DE5GV4SQ35PYKSSPRFX5CXP

not attested not anchored not stored refs pending

The fractional derivative of the Dirac delta function and new results on the inverse Laplace transform of irrational functions

Nicos Makris

arxiv:2006.04966 v1 · 2020-06-08 · math-ph · math.CA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DO5DE5GV4SQ35PYKSSPRFX5CXP}

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	2026-07-05T02:18:52.433199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bba3274d5e4a1bebf0a949f12dfa2bbf2200b5b7b2ddf2d7517f7e2fd5181c7

Aliases

arxiv: 2006.04966 · arxiv_version: 2006.04966v1 · doi: 10.48550/arxiv.2006.04966 · pith_short_12: DO5DE5GV4SQ3 · pith_short_16: DO5DE5GV4SQ35PYK · pith_short_8: DO5DE5GV

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/DO5DE5GV4SQ35PYKSSPRFX5CXP \
  | 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: 1bba3274d5e4a1bebf0a949f12dfa2bbf2200b5b7b2ddf2d7517f7e2fd5181c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89788ab20a654f22a6ddb6f699d67996649f9b25e3e0e3e1695983f1803887dd",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-06-08T22:21:17Z",
    "title_canon_sha256": "4a106a8ebde8ca6ec4a5693d2d6eec83ca3d005b11e9d51bbbe24b56c8f30f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04966",
    "kind": "arxiv",
    "version": 1
  }
}