Pith Number

pith:HSWDBOE3

pith:2020:HSWDBOE3VXNUYOF766QUV7IPI4

not attested not anchored not stored refs pending

Existence and uniqueness of some Cauchy Type Problems in fractional q-difference calculus

Lars-Erik Persson, Nariman Sarsenovich Tokmagambetov, Serikbol Shaimardan

arxiv:2007.02357 v1 · 2020-07-05 · math.AP · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSWDBOE3VXNUYOF766QUV7IPI4}

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	2026-07-05T01:16:21.538592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cac30b89baddb4c38bff7a14afd0f47207ee5b7ccb52352e37429cf29ad1ca7

Aliases

arxiv: 2007.02357 · arxiv_version: 2007.02357v1 · doi: 10.48550/arxiv.2007.02357 · pith_short_12: HSWDBOE3VXNU · pith_short_16: HSWDBOE3VXNUYOF7 · pith_short_8: HSWDBOE3

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/HSWDBOE3VXNUYOF766QUV7IPI4 \
  | 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: 3cac30b89baddb4c38bff7a14afd0f47207ee5b7ccb52352e37429cf29ad1ca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e3c1f475ec32128611c3ba9f7b4949afe64e2edddcf48c9391d2612c539a73b",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-07-05T14:50:28Z",
    "title_canon_sha256": "9a8efa10eb152b6b9138400a52a06b3bf2e3231552bec7122816394002ccf936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02357",
    "kind": "arxiv",
    "version": 1
  }
}