Pith Number

pith:UNGPSQD5

pith:2019:UNGPSQD5RGGLALOFSTEILTKPOR

not attested not anchored not stored refs pending

Uniqueness in inverse acoustic and electromagnetic scattering with phaseless near-field data at a fixed frequency

Bo Zhang, Haiwen Zhang, Xiaoxu Xu

arxiv:1906.05116 v1 · 2019-06-03 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNGPSQD5RGGLALOFSTEILTKPOR}

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	2026-05-17T23:43:29.440220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34cf9407d898cb02dc594c885cd4f7449cf7442d81a43b8d8e2803e145edf1a

Aliases

arxiv: 1906.05116 · arxiv_version: 1906.05116v1 · doi: 10.48550/arxiv.1906.05116 · pith_short_12: UNGPSQD5RGGL · pith_short_16: UNGPSQD5RGGLALOF · pith_short_8: UNGPSQD5

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/UNGPSQD5RGGLALOFSTEILTKPOR \
  | 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: a34cf9407d898cb02dc594c885cd4f7449cf7442d81a43b8d8e2803e145edf1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c9a445112e50326e75147ff890849011c4f106761b310a2a98fed400ffae3b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-03T16:21:14Z",
    "title_canon_sha256": "c20dde530bf6bb5a433e957a66f79796902365aca881d87ce01eea0a084b61ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05116",
    "kind": "arxiv",
    "version": 1
  }
}