Pith Number

pith:DHGCPHZZ

pith:2018:DHGCPHZZCGEFHVYTRDBGAN62OB

not attested not anchored not stored refs pending

Identification of an algebraic domain in two dimensions from a finite number of its generalized polarization tensors

Andries Steenkamp, Faouzi Triki, Habib Ammari, Mihai Putinar

arxiv:1807.00396 v1 · 2018-07-01 · 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{DHGCPHZZCGEFHVYTRDBGAN62OB}

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	2026-05-18T00:11:54.996693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19cc279f39118853d71388c26037da70522aad32233a932de7d1b5bbfcbb2649

Aliases

arxiv: 1807.00396 · arxiv_version: 1807.00396v1 · doi: 10.48550/arxiv.1807.00396 · pith_short_12: DHGCPHZZCGEF · pith_short_16: DHGCPHZZCGEFHVYT · pith_short_8: DHGCPHZZ

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/DHGCPHZZCGEFHVYTRDBGAN62OB \
  | 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: 19cc279f39118853d71388c26037da70522aad32233a932de7d1b5bbfcbb2649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3979f21da5d541bf99c0abaf4d3c3115d25a934d1d53ed683484165859a163cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-01T21:31:35Z",
    "title_canon_sha256": "951921553be4c85a226e39d2d9ed61091917c678e1461b47ae3214911dab03b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00396",
    "kind": "arxiv",
    "version": 1
  }
}