Pith Number

pith:CKQXDJPC

pith:2019:CKQXDJPCZ5FKEGCTR24JVPNHT4

not attested not anchored not stored refs pending

Uniqueness in inverse cavity scattering problems with phaseless near-field data

Deyue Zhang, Jingzhi Li, Yinglin Wang, Yukun Guo

arxiv:1905.09819 v1 · 2019-05-23 · 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{CKQXDJPCZ5FKEGCTR24JVPNHT4}

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	2026-07-05T00:41:28.899817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a171a5e2cf4aa218538eb89abda79f16b5c15d37aa4ec89b6d686d80fbf1eb

Aliases

arxiv: 1905.09819 · arxiv_version: 1905.09819v1 · doi: 10.48550/arxiv.1905.09819 · pith_short_12: CKQXDJPCZ5FK · pith_short_16: CKQXDJPCZ5FKEGCT · pith_short_8: CKQXDJPC

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/CKQXDJPCZ5FKEGCTR24JVPNHT4 \
  | 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: 12a171a5e2cf4aa218538eb89abda79f16b5c15d37aa4ec89b6d686d80fbf1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64484a8efe3dd5589da371e0f0c2b2c5068fe1798c054f91dab7a877cd6c04e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-23T03:15:40Z",
    "title_canon_sha256": "7810397b19a54d81aa09c70d9d32ba76331c4e1ed1bbc62703a88ccb57cbbcab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09819",
    "kind": "arxiv",
    "version": 1
  }
}