Pith Number

pith:QXEGMSUN

pith:2018:QXEGMSUNVUIBCXPBTG3FTHJNDJ

not attested not anchored not stored refs pending

Structural derivatives on time scales

Benaoumeur Bayour, Delfim F. M. Torres

arxiv:1811.09474 v1 · 2018-11-23 · 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{QXEGMSUNVUIBCXPBTG3FTHJNDJ}

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	2026-05-17T23:55:53.867903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85c8664a8dad10115de199b6599d2d1a7584819cb5e2b0452d159e5e2efc66a5

Aliases

arxiv: 1811.09474 · arxiv_version: 1811.09474v1 · doi: 10.48550/arxiv.1811.09474 · pith_short_12: QXEGMSUNVUIB · pith_short_16: QXEGMSUNVUIBCXPB · pith_short_8: QXEGMSUN

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/QXEGMSUNVUIBCXPBTG3FTHJNDJ \
  | 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: 85c8664a8dad10115de199b6599d2d1a7584819cb5e2b0452d159e5e2efc66a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3082ee65e6057bddf4a9d2f13c7fad3239fe3611810955ef598618778b0b873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-11-23T13:44:42Z",
    "title_canon_sha256": "0c5a1f351630f9255a5b88b62886259495fbca8e89e5c4fc211975ebc026c428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09474",
    "kind": "arxiv",
    "version": 1
  }
}