pith. sign in
Pith Number

pith:TVH6YDSY

pith:2017:TVH6YDSYVPYN7CYTLHDHE6LOWE
not attested not anchored not stored refs pending

On functional equations characterizing derivations: methods and examples

Csaba Vincze, Eszter Gselmann, Gergely Kiss

arxiv:1709.03038 v2 · 2017-08-25 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TVH6YDSYVPYN7CYTLHDHE6LOWE}

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 2026-05-18T00:22:52.617399Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9d4fec0e58abf0df8b1359c672796eb102f29bd2e3f2bcfe942520d1dedc9c9f

Aliases

arxiv: 1709.03038 · arxiv_version: 1709.03038v2 · doi: 10.48550/arxiv.1709.03038 · pith_short_12: TVH6YDSYVPYN · pith_short_16: TVH6YDSYVPYN7CYT · pith_short_8: TVH6YDSY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TVH6YDSYVPYN7CYTLHDHE6LOWE \
  | 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: 9d4fec0e58abf0df8b1359c672796eb102f29bd2e3f2bcfe942520d1dedc9c9f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1e08038d4c9a65dfb01f8f8bd3c7380e41f29bb192160de6ce83857e8479b1a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-08-25T15:21:33Z",
    "title_canon_sha256": "94fddf7cd4800d4adfd4a099e6c13e236d085362a7af7c76562e0e4cbcf2a61c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03038",
    "kind": "arxiv",
    "version": 2
  }
}