Pith Number

pith:LCVXI2MQ

pith:2013:LCVXI2MQWUDFCHGDSTKEWBKHKU

not attested not anchored not stored refs pending

Uniqueness in inverse acoustic and electromagnetic scattering by penetrable obstacles with embedded objects

Bo Zhang, Haiwen Zhang, Jiaqing Yang

arxiv:1305.0917 v3 · 2013-05-04 · 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{LCVXI2MQWUDFCHGDSTKEWBKHKU}

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	2026-05-18T00:42:33.733967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58ab746990b506511cc394d44b05475536b345b02ad63ed8eacd2c000f0a0cc5

Aliases

arxiv: 1305.0917 · arxiv_version: 1305.0917v3 · doi: 10.48550/arxiv.1305.0917 · pith_short_12: LCVXI2MQWUDF · pith_short_16: LCVXI2MQWUDFCHGD · pith_short_8: LCVXI2MQ

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/LCVXI2MQWUDFCHGDSTKEWBKHKU \
  | 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: 58ab746990b506511cc394d44b05475536b345b02ad63ed8eacd2c000f0a0cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad4e05c2c7f1a9bc11dbe106e30460384d386f0d6ce353b27070295d3b6387b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-04T12:57:12Z",
    "title_canon_sha256": "dc8fe768eb14332e7665e1197a41af5d65de0e5e7865b252895cd689914ca73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0917",
    "kind": "arxiv",
    "version": 3
  }
}