Pith Number

pith:FEB3PUAL

pith:2026:FEB3PUALHLYXMABJQ56OOXYCHA

not attested not anchored not stored refs pending

Inverse initial data reconstruction for a memory convection-diffusion equation via Legendre spatial reduction and Tikhonov regularization

Cong B. Van, Loc H. Nguyen, Minh-Binh Tran, Thien P.B. Nguyen

arxiv:2606.20875 v1 · 2026-06-18 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEB3PUALHLYXMABJQ56OOXYCHA}

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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.

Cited by

1 paper in Pith

Carleman--Picard and time-dimensional reduction for inverse initial-data problems in nonlinear transport with memory

Receipt and verification

First computed	2026-06-23T00:12:01.485992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2903b7d00b3af1760029877ce75f023829ce82ac3e3686bb4bda6e8a37e70e4f

Aliases

arxiv: 2606.20875 · arxiv_version: 2606.20875v1 · doi: 10.48550/arxiv.2606.20875 · pith_short_12: FEB3PUALHLYX · pith_short_16: FEB3PUALHLYXMABJ · pith_short_8: FEB3PUAL

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/FEB3PUALHLYXMABJQ56OOXYCHA \
  | 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: 2903b7d00b3af1760029877ce75f023829ce82ac3e3686bb4bda6e8a37e70e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b2887786f22101067c9417fbc3860bb279016b4fd571e8110996f90730dc03",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-18T19:06:16Z",
    "title_canon_sha256": "8f386267bbb974eae968713b663dd94c23d4e7219e752d902004cbc5923073b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20875",
    "kind": "arxiv",
    "version": 1
  }
}