Pith Number

pith:V3VRCDSN

pith:2015:V3VRCDSN2CS4K4GUBH6CJHOZI2

not attested not anchored not stored refs pending

Stable determination of sound-hard polyhedral scatterers by a minimal number of scattering measurements

Hongyu Liu, Jingni Xiao, Luca Rondi, Michele Petrini

arxiv:1503.03644 v2 · 2015-03-12 · 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{V3VRCDSN2CS4K4GUBH6CJHOZI2}

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	2026-05-18T00:50:57.881193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeeb110e4dd0a5c570d409fc249dd9469b0a8838abba61b2d984a86edafeea64

Aliases

arxiv: 1503.03644 · arxiv_version: 1503.03644v2 · doi: 10.48550/arxiv.1503.03644 · pith_short_12: V3VRCDSN2CS4 · pith_short_16: V3VRCDSN2CS4K4GU · pith_short_8: V3VRCDSN

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/V3VRCDSN2CS4K4GUBH6CJHOZI2 \
  | 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: aeeb110e4dd0a5c570d409fc249dd9469b0a8838abba61b2d984a86edafeea64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec013bd83279fdae3f4f732a239c8845d6a13f8ca2755d7af830bd95c4c310a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-12T09:39:39Z",
    "title_canon_sha256": "d1e037dc587d451daf0aec91b80f45ee0ca9d932e3802c82cb81910182472ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03644",
    "kind": "arxiv",
    "version": 2
  }
}