Pith Number

pith:W2SV3UFD

pith:2017:W2SV3UFDPE5WHCY7QOTFDHX4DG

not attested not anchored not stored refs pending

A coefficient inverse problem with a single measurement of phaseless scattering data

Dinh-Liem Nguyen, Loc H. Nguyen, Michael V. Klibanov

arxiv:1710.04804 v1 · 2017-10-13 · math.NA · 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{W2SV3UFDPE5WHCY7QOTFDHX4DG}

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	2026-05-18T00:32:56.670575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a55dd0a3793b638b1f83a6519efc19b0e741f7a8a552ada7d70d02229b7bd6

Aliases

arxiv: 1710.04804 · arxiv_version: 1710.04804v1 · doi: 10.48550/arxiv.1710.04804 · pith_short_12: W2SV3UFDPE5W · pith_short_16: W2SV3UFDPE5WHCY7 · pith_short_8: W2SV3UFD

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/W2SV3UFDPE5WHCY7QOTFDHX4DG \
  | 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: b6a55dd0a3793b638b1f83a6519efc19b0e741f7a8a552ada7d70d02229b7bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2de9dc580779ec5c6be1f232f13884c925d253c28b6eb9abcc267d06c35bb44",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-13T05:02:50Z",
    "title_canon_sha256": "258c31cf315d64187fbad0c3a0ae82b57de24838891e2e1ac01f9d8468822376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04804",
    "kind": "arxiv",
    "version": 1
  }
}