Pith Number

pith:W53NEMXY

pith:2019:W53NEMXYDJZ4RUIULL62FSEGK7

not attested not anchored not stored refs pending

Single-point Gradient Blow-up on the Boundary for Diffusive Hamilton-Jacobi Equation in domains with non-constant curvature

Carlos Esteve

arxiv:1902.03080 v1 · 2019-02-08 · 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{W53NEMXYDJZ4RUIULL62FSEGK7}

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	2026-05-17T23:54:28.020214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b776d232f81a73c8d1145afda2c88657e243a43ffcea22a8eefe280a044bbccf

Aliases

arxiv: 1902.03080 · arxiv_version: 1902.03080v1 · doi: 10.48550/arxiv.1902.03080 · pith_short_12: W53NEMXYDJZ4 · pith_short_16: W53NEMXYDJZ4RUIU · pith_short_8: W53NEMXY

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/W53NEMXYDJZ4RUIULL62FSEGK7 \
  | 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: b776d232f81a73c8d1145afda2c88657e243a43ffcea22a8eefe280a044bbccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f148a2e06c09fc6c75ef390369109f55c2467014775c9c7f9109579822638c7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-08T13:56:12Z",
    "title_canon_sha256": "11233b5e2099462cb6bb9ec98c3f3acb1404600c487dd58082ae2fe4351816fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03080",
    "kind": "arxiv",
    "version": 1
  }
}