Pith Number

pith:LUL6FRNY

pith:2013:LUL6FRNYMIPIRZNX7GGYKFVO5V

not attested not anchored not stored refs pending

Radial weak solutions for the Perona-Malik equation as a differential inclusion

Baisheng Yan, Seonghak Kim

arxiv:1309.6646 v2 · 2013-09-25 · 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{LUL6FRNYMIPIRZNX7GGYKFVO5V}

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	2026-05-18T03:11:56.937606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d17e2c5b8621e88e5b7f98d8516aeed7eabd2cb0e59177ab57347d354302438

Aliases

arxiv: 1309.6646 · arxiv_version: 1309.6646v2 · doi: 10.48550/arxiv.1309.6646 · pith_short_12: LUL6FRNYMIPI · pith_short_16: LUL6FRNYMIPIRZNX · pith_short_8: LUL6FRNY

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/LUL6FRNYMIPIRZNX7GGYKFVO5V \
  | 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: 5d17e2c5b8621e88e5b7f98d8516aeed7eabd2cb0e59177ab57347d354302438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e66ebc260c443375bf80c8525e0e01e01a43a43e56cb23c2020bb75a51202dd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-25T20:01:19Z",
    "title_canon_sha256": "e768ae13f12f5ac22aae1a193e5e994ad9d883b01926147f8b4d34b3514ba08b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6646",
    "kind": "arxiv",
    "version": 2
  }
}