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Pith Number

pith:DSTM7CYA

pith:2019:DSTM7CYAK3FRXKLCGP5TWELA3F
not attested not anchored not stored refs pending

Remarks about the existence of conformable derivatives and some consequences

Andrey Zahariev, Hristo Kiskinov, Milena Petkova

arxiv:1907.03486 v3 · 2019-07-08 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DSTM7CYAK3FRXKLCGP5TWELA3F}

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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 2026-05-17T23:40:29.723056Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1ca6cf8b0056cb1ba96233fb3b1160d96911e74d873acd7be73d495bd1925b00

Aliases

arxiv: 1907.03486 · arxiv_version: 1907.03486v3 · doi: 10.48550/arxiv.1907.03486 · pith_short_12: DSTM7CYAK3FR · pith_short_16: DSTM7CYAK3FRXKLC · pith_short_8: DSTM7CYA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DSTM7CYAK3FRXKLCGP5TWELA3F \
  | 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: 1ca6cf8b0056cb1ba96233fb3b1160d96911e74d873acd7be73d495bd1925b00
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2e71236f1ab31b15b6fd86e13cf83023611d5df553687b478359a834d170cea5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-07-08T10:01:11Z",
    "title_canon_sha256": "f9dc7a246dad6783bae703faf0a988928d0b43851b89883378b53207e56bd33c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03486",
    "kind": "arxiv",
    "version": 3
  }
}