Pith Number

pith:BLVECH2V

pith:2018:BLVECH2VHUEMJ2TAQLOWFVJYRZ

not attested not anchored not stored refs pending

Near-field imaging of an unbounded elastic rough surface with a direct imaging method

Bo Zhang, Haiwen Zhang, XiaoLi Liu

arxiv:1804.05496 v1 · 2018-04-16 · 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{BLVECH2VHUEMJ2TAQLOWFVJYRZ}

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	2026-05-18T00:18:28.009006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aea411f553d08c4ea6082dd62d5388e56277a3d2e289a552bca5fd2b49180fd

Aliases

arxiv: 1804.05496 · arxiv_version: 1804.05496v1 · doi: 10.48550/arxiv.1804.05496 · pith_short_12: BLVECH2VHUEM · pith_short_16: BLVECH2VHUEMJ2TA · pith_short_8: BLVECH2V

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/BLVECH2VHUEMJ2TAQLOWFVJYRZ \
  | 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: 0aea411f553d08c4ea6082dd62d5388e56277a3d2e289a552bca5fd2b49180fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c4a47b886f50bdf23137f9c40a52a159d566953358750d8d5cd36d5050505d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-16T03:52:02Z",
    "title_canon_sha256": "b8b0cba71d3ad94a7850472c0968d704babbfd30e770536ca6841bf57613428c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05496",
    "kind": "arxiv",
    "version": 1
  }
}