Pith Number

pith:V3WPG5DL

pith:2012:V3WPG5DLS4IH3FOGSIGWCFSSXZ

not attested not anchored not stored refs pending

${\cal C}^{1,\beta}$ regularity for Dirichlet problems associated to fully nonlinear degenerate elliptic equations

F. Demengel, I. Birindelli

arxiv:1208.0431 v1 · 2012-08-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3WPG5DLS4IH3FOGSIGWCFSSXZ}

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	2026-05-18T03:49:34.198442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeecf3746b97107d95c6920d611652be78d82f250f45cebd9991614dd60a9b91

Aliases

arxiv: 1208.0431 · arxiv_version: 1208.0431v1 · doi: 10.48550/arxiv.1208.0431 · pith_short_12: V3WPG5DLS4IH · pith_short_16: V3WPG5DLS4IH3FOG · pith_short_8: V3WPG5DL

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/V3WPG5DLS4IH3FOGSIGWCFSSXZ \
  | 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: aeecf3746b97107d95c6920d611652be78d82f250f45cebd9991614dd60a9b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d793335d6ec1f109d1cffeff01bda6ab49188802e9eb23d71317b84e68130153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-02T08:35:03Z",
    "title_canon_sha256": "5103e901214851c65e339a7559ad8ce3d502903fa342225ed3a7a749a8a5b97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0431",
    "kind": "arxiv",
    "version": 1
  }
}