Pith Number

pith:IL5JEIQ6

pith:2019:IL5JEIQ6G2SDOBO4RAZXLKAKW2

not attested not anchored not stored refs pending

Uniqueness in inverse acoustic scattering with phaseless near-field measurements

Deyue Zhang, Fenglin Sun, Hongyu Liu, Yukun Guo

arxiv:1905.08242 v1 · 2019-05-19 · 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{IL5JEIQ6G2SDOBO4RAZXLKAKW2}

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	2026-05-17T23:45:43.811384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fa92221e36a43705dc883375a80ab6a7b9d564dadf72ec413838bd12851b17

Aliases

arxiv: 1905.08242 · arxiv_version: 1905.08242v1 · doi: 10.48550/arxiv.1905.08242 · pith_short_12: IL5JEIQ6G2SD · pith_short_16: IL5JEIQ6G2SDOBO4 · pith_short_8: IL5JEIQ6

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/IL5JEIQ6G2SDOBO4RAZXLKAKW2 \
  | 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: 42fa92221e36a43705dc883375a80ab6a7b9d564dadf72ec413838bd12851b17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbcaa1d1337de37a8a19e185a740a2cd7716737beb137a76898a51152ae1ccd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-19T12:51:51Z",
    "title_canon_sha256": "65d37ef44c55992657f3ccaaa98f4c550ccd0b488ab3f9a8fe808c323cd0f625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08242",
    "kind": "arxiv",
    "version": 1
  }
}