pith. sign in
Pith Number

pith:JKDLSJRK

pith:2019:JKDLSJRKW5SGIUNUMJHTKOZHY2
not attested not anchored not stored refs pending

Near-Field UHF RFID Transponder with a Screen-Printed Graphene Antenna

Henrik Sandberg, Kaarle Jaakkola, Markku Lahti, Vladimir Ermolov

arxiv:1903.07998 v1 · 2019-03-19 · physics.app-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JKDLSJRKW5SGIUNUMJHTKOZHY2}

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 2026-05-17T23:50:53.219039Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4a86b9262ab7646451b4624f353b27c6ae297454b5ccac167aff1bcf4dce4894

Aliases

arxiv: 1903.07998 · arxiv_version: 1903.07998v1 · doi: 10.48550/arxiv.1903.07998 · pith_short_12: JKDLSJRKW5SG · pith_short_16: JKDLSJRKW5SGIUNU · pith_short_8: JKDLSJRK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JKDLSJRKW5SGIUNUMJHTKOZHY2 \
  | 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: 4a86b9262ab7646451b4624f353b27c6ae297454b5ccac167aff1bcf4dce4894
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e00c02be4a567f9e6f0a1efa09682b00787a82638e8724ffa1e55b8f6b325c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-19T13:46:12Z",
    "title_canon_sha256": "a7d51e9a3b5e9af3150f130c06132848e556b395205abfdc43ed56e20ee6862a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07998",
    "kind": "arxiv",
    "version": 1
  }
}