Pith Number

pith:5DUSNDJ4

pith:2018:5DUSNDJ45RE4P7GIDLASSHX4JT

not attested not anchored not stored refs pending

Phaseless inverse source scattering problem: phase retrieval, uniqueness and direct sampling methods

Bo Zhang, Xia Ji, XiaoDong Liu

arxiv:1808.02385 v1 · 2018-08-06 · 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{5DUSNDJ45RE4P7GIDLASSHX4JT}

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	2026-05-18T00:08:37.253386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e9268d3cec49c7fcc81ac1291efc4cf61bd29981c6900f2ba756342c84cbc3

Aliases

arxiv: 1808.02385 · arxiv_version: 1808.02385v1 · doi: 10.48550/arxiv.1808.02385 · pith_short_12: 5DUSNDJ45RE4 · pith_short_16: 5DUSNDJ45RE4P7GI · pith_short_8: 5DUSNDJ4

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/5DUSNDJ45RE4P7GIDLASSHX4JT \
  | 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: e8e9268d3cec49c7fcc81ac1291efc4cf61bd29981c6900f2ba756342c84cbc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2cbde07737e54b5409fd053e8d3838c35a840a62c58bb6eb9dbd5edcda0136",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-06T11:05:56Z",
    "title_canon_sha256": "0a2e6cfec8c15f2775c0947b8a2be85aeeb8b15320fdf19e128aee62067900e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02385",
    "kind": "arxiv",
    "version": 1
  }
}