Pith Number

pith:JZLGIA2C

pith:2018:JZLGIA2CKHI6QLRDJ3MJU5FMWF

not attested not anchored not stored refs pending

Approximate Cloaking for The Heat Equation via Transformation Optics

Hoai-Minh Nguyen, Tu Nguyen

arxiv:1811.00396 v1 · 2018-11-01 · 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{JZLGIA2CKHI6QLRDJ3MJU5FMWF}

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	2026-05-18T00:01:46.574093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e5664034251d1e82e234ed89a74acb162989cea015bc5fd9a9ac246b6f9bd54

Aliases

arxiv: 1811.00396 · arxiv_version: 1811.00396v1 · doi: 10.48550/arxiv.1811.00396 · pith_short_12: JZLGIA2CKHI6 · pith_short_16: JZLGIA2CKHI6QLRD · pith_short_8: JZLGIA2C

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/JZLGIA2CKHI6QLRDJ3MJU5FMWF \
  | 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: 4e5664034251d1e82e234ed89a74acb162989cea015bc5fd9a9ac246b6f9bd54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2330ada9234c02fa3b65cec55f1b4c0711cf7a25b420d33d90e9f4ec2c264b4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-01T14:08:38Z",
    "title_canon_sha256": "6906a5176c52721cf3fa87b49a2e2a5ba76030d4cac1e13813f42a4f5ebe036c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00396",
    "kind": "arxiv",
    "version": 1
  }
}