pith. sign in
Pith Number

pith:DFKJZ7QP

pith:2017:DFKJZ7QPMH725S5XF4CERPUWMK
not attested not anchored not stored refs pending

Stationary convection-diffusion equation in an infinite cylinder

Andrey Piatnitski, Irina Pettersson

arxiv:1704.03893 v1 · 2017-04-12 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DFKJZ7QPMH725S5XF4CERPUWMK}

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 2026-05-18T00:46:25.913788Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

19549cfe0f61ffaecbb72f0448be9662b568037efc636573acb03dd7a45514a8

Aliases

arxiv: 1704.03893 · arxiv_version: 1704.03893v1 · doi: 10.48550/arxiv.1704.03893 · pith_short_12: DFKJZ7QPMH72 · pith_short_16: DFKJZ7QPMH725S5X · pith_short_8: DFKJZ7QP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DFKJZ7QPMH725S5XF4CERPUWMK \
  | 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: 19549cfe0f61ffaecbb72f0448be9662b568037efc636573acb03dd7a45514a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7d840810ead1735b01fc3d2e995085e4dcffb9367568e9eb26aba0a96581dd65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-12T18:34:53Z",
    "title_canon_sha256": "a6eb95b8ecc40afb6cbb006c1a3ac5b7f5cabe3645f5a75077f2134904b94167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03893",
    "kind": "arxiv",
    "version": 1
  }
}