Pith Number

pith:DAS7HWND

pith:2016:DAS7HWNDHJZUK5SN4PX334I464

not attested not anchored not stored refs pending

Imaging of locally rough surfaces from intensity-only far-field or near-field data

Bo Zhang, Haiwen Zhang

arxiv:1610.05855 v1 · 2016-10-19 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAS7HWNDHJZUK5SN4PX334I464}

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	2026-05-18T00:43:09.118531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1825f3d9a33a7345764de3efbdf11cf721c25db3a57f7250283655a698069918

Aliases

arxiv: 1610.05855 · arxiv_version: 1610.05855v1 · doi: 10.48550/arxiv.1610.05855 · pith_short_12: DAS7HWNDHJZU · pith_short_16: DAS7HWNDHJZUK5SN · pith_short_8: DAS7HWND

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/DAS7HWNDHJZUK5SN4PX334I464 \
  | 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: 1825f3d9a33a7345764de3efbdf11cf721c25db3a57f7250283655a698069918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e228233e78c3f04637dae2e7c3febe9bdb8b9cec7c3adb46fe56d28a5454e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-19T03:40:38Z",
    "title_canon_sha256": "66a4a28d97c75c364e9b2f27558e238804264fd1b4c903173e2e923f1a05de0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05855",
    "kind": "arxiv",
    "version": 1
  }
}