Pith Number

pith:QTINIJCV

pith:2018:QTINIJCV4RPW6N4ZYWDHHCG73I

not attested not anchored not stored refs pending

Inverse obstacle scattering problem for elastic waves with phased or phaseless far-field data

Heping Dong, Jun Lai, Peijun Li

arxiv:1811.12579 v1 · 2018-11-30 · 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{QTINIJCV4RPW6N4ZYWDHHCG73I}

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	2026-05-17T23:59:29.211678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d0d42455e45f6f3799c5867388dfda21bd9ff2d91c3616a0d5e50be8533635

Aliases

arxiv: 1811.12579 · arxiv_version: 1811.12579v1 · doi: 10.48550/arxiv.1811.12579 · pith_short_12: QTINIJCV4RPW · pith_short_16: QTINIJCV4RPW6N4Z · pith_short_8: QTINIJCV

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/QTINIJCV4RPW6N4ZYWDHHCG73I \
  | 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: 84d0d42455e45f6f3799c5867388dfda21bd9ff2d91c3616a0d5e50be8533635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025a0a481b7059433a087c3afd24a9da979f3c0acc243df75440f1be08de93ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-30T02:09:29Z",
    "title_canon_sha256": "7750f2c8af0125e0af231bd329e8af36a91070638816edc4e857a30d5c685018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12579",
    "kind": "arxiv",
    "version": 1
  }
}