Pith Number

pith:AJ2QDQTR

pith:2017:AJ2QDQTRQPZDUX3EOP5ARPVPMD

not attested not anchored not stored refs pending

Experimental Synthetic Aperture Radar with Dynamic Metasurfaces

David R. Smith, Laura Pulido-Mancera, Matthew Reynolds, Michael Boyarsky, Mohammadreza F. Imani, Thomas Fromenteze, Timothy Sleasman

arxiv:1703.00072 v1 · 2017-02-23 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJ2QDQTRQPZDUX3EOP5ARPVPMD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:23:39.876298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

027501c27183f23a5f6473fa08beaf60d0868e0fc06f6f8d7c5663bab4318bf2

Aliases

arxiv: 1703.00072 · arxiv_version: 1703.00072v1 · doi: 10.48550/arxiv.1703.00072 · pith_short_12: AJ2QDQTRQPZD · pith_short_16: AJ2QDQTRQPZDUX3E · pith_short_8: AJ2QDQTR

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/AJ2QDQTRQPZDUX3EOP5ARPVPMD \
  | 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: 027501c27183f23a5f6473fa08beaf60d0868e0fc06f6f8d7c5663bab4318bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f597b2ee3c1ace445862e7c9437665e23cdcca9a9328f9ae983f497b3de39635",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-02-23T22:25:43Z",
    "title_canon_sha256": "788fb94106a96276a01b0c3fcfecf68f8bc639f31ab37a329ae17aafd9bbda03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00072",
    "kind": "arxiv",
    "version": 1
  }
}