Pith Number

pith:77M4LVN6

pith:2017:77M4LVN6GBSABXNNYTCVKOQD4W

not attested not anchored not stored refs pending

Solutions to the overdetermined boundary problem for semilinear equations with position-dependent nonlinearities

Alberto Enciso, Daniel Peralta-Salas, Miguel Dominguez-Vazquez

arxiv:1711.08649 v1 · 2017-11-23 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77M4LVN6GBSABXNNYTCVKOQD4W}

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	2026-05-18T00:29:44.473215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd9c5d5be306400ddadc4c5553a03e59d49fd0de516d4034d94df1600b8108b

Aliases

arxiv: 1711.08649 · arxiv_version: 1711.08649v1 · doi: 10.48550/arxiv.1711.08649 · pith_short_12: 77M4LVN6GBSA · pith_short_16: 77M4LVN6GBSABXNN · pith_short_8: 77M4LVN6

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/77M4LVN6GBSABXNNYTCVKOQD4W \
  | 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: ffd9c5d5be306400ddadc4c5553a03e59d49fd0de516d4034d94df1600b8108b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae6f489c18de7dfeb9822c27030e4b5224669a7939c0bb6d52c8c27cf691fe0",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-11-23T11:00:42Z",
    "title_canon_sha256": "8efee7bdab490596e9360aac025236701d0115c528a94151a04afd2e999628b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08649",
    "kind": "arxiv",
    "version": 1
  }
}