Pith Number

pith:P75R2LJZ

pith:2005:P75R2LJZTL3EPN24LSNFUPLSKR

not attested not anchored not stored refs pending

On a class of sublinear singular elliptic problems with convection term

Marius Ghergu (UCV), Vicentiu Radulescu (UCV)

arxiv:math/0504593 v1 · 2005-04-29 · 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{P75R2LJZTL3EPN24LSNFUPLSKR}

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	2026-05-18T01:38:25.016568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffb1d2d399af647b75c5c9a5a3d72547c99125f65d4de25cf9fbef706bb4097

Aliases

arxiv: math/0504593 · arxiv_version: math/0504593v1 · doi: 10.48550/arxiv.math/0504593 · pith_short_12: P75R2LJZTL3E · pith_short_16: P75R2LJZTL3EPN24 · pith_short_8: P75R2LJZ

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/P75R2LJZTL3EPN24LSNFUPLSKR \
  | 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: 7ffb1d2d399af647b75c5c9a5a3d72547c99125f65d4de25cf9fbef706bb4097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e4c4116be544040c66b1f346f2694aad40fba639994c16cfc519ed816cd00e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2005-04-29T11:59:26Z",
    "title_canon_sha256": "1637ff0beed8e63cf02b47f5226736ba89a01f8a18250277f0a56de102d8e54b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504593",
    "kind": "arxiv",
    "version": 1
  }
}