Pith Number

pith:6XTCFY2L

pith:2017:6XTCFY2LV63UIAA7BFTYIC7CUF

not attested not anchored not stored refs pending

Maximum Willis Coupling in Acoustic Scatterers

Andrea Alu, Dimitrios Sounas, Li Quan, Younes Ra'di

arxiv:1712.05455 v1 · 2017-12-14 · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XTCFY2LV63UIAA7BFTYIC7CUF}

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	2026-05-18T00:12:18.787265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e622e34bafb744001f0967840be2a1472fb8e592365c3e515bd65135a45017

Aliases

arxiv: 1712.05455 · arxiv_version: 1712.05455v1 · doi: 10.48550/arxiv.1712.05455 · pith_short_12: 6XTCFY2LV63U · pith_short_16: 6XTCFY2LV63UIAA7 · pith_short_8: 6XTCFY2L

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/6XTCFY2LV63UIAA7BFTYIC7CUF \
  | 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: f5e622e34bafb744001f0967840be2a1472fb8e592365c3e515bd65135a45017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42eb8df39ee9abd8ba930acee730984ed0166832d08a438a08c416fb501fa7a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-12-14T20:58:04Z",
    "title_canon_sha256": "6c16fc1734f224d921b8499e0f9a2d6a96b2b325dcd9b2710726d9db28ce221b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05455",
    "kind": "arxiv",
    "version": 1
  }
}