Pith Number

pith:LXCW3HVQ

pith:2016:LXCW3HVQDYRSQMJC7VZW4QQIUI

not attested not anchored not stored refs pending

Numerical solution of an ill-posed Cauchy problem for a quasilinear parabolic equation using a Carleman weight function

Anatoly G. Yagola, Jingzhi Li, Michael V. Klibanov, Nikolaj A. Koshev

arxiv:1603.00848 v1 · 2016-03-02 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXCW3HVQDYRSQMJC7VZW4QQIUI}

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	2026-05-18T01:19:42.814556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dc56d9eb01e23283122fd736e4208a23a631e73b91a9fe1a11828b6324bf302

Aliases

arxiv: 1603.00848 · arxiv_version: 1603.00848v1 · doi: 10.48550/arxiv.1603.00848 · pith_short_12: LXCW3HVQDYRS · pith_short_16: LXCW3HVQDYRSQMJC · pith_short_8: LXCW3HVQ

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/LXCW3HVQDYRSQMJC7VZW4QQIUI \
  | 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: 5dc56d9eb01e23283122fd736e4208a23a631e73b91a9fe1a11828b6324bf302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc31c61e1f74b7a3777aeac1b34cc4f7b607c735088973038828b5efbe13778a",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-02T20:12:29Z",
    "title_canon_sha256": "1c90b301c2fd6cf7a181f2c1b4913c64af8773b5b7d013525170edfdc899c030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00848",
    "kind": "arxiv",
    "version": 1
  }
}