pith. sign in
Pith Number

pith:PAYNG3HY

pith:2017:PAYNG3HYA4VIDRNCNSXUGTSGFV
not attested not anchored not stored refs pending

Modulation in the Air: Backscatter Communication over Ambient OFDM Carrier

Gang Yang, Rui Zhang, Ying-Chang Liang, Yiyang Pei

arxiv:1704.02245 v2 · 2017-04-07 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PAYNG3HYA4VIDRNCNSXUGTSGFV}

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 2026-05-18T00:46:46.011658Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7830d36cf8072a81c5a26caf434e462d7eac5547d0f7904e20640967707d9943

Aliases

arxiv: 1704.02245 · arxiv_version: 1704.02245v2 · doi: 10.48550/arxiv.1704.02245 · pith_short_12: PAYNG3HYA4VI · pith_short_16: PAYNG3HYA4VIDRNC · pith_short_8: PAYNG3HY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PAYNG3HYA4VIDRNCNSXUGTSGFV \
  | 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: 7830d36cf8072a81c5a26caf434e462d7eac5547d0f7904e20640967707d9943
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "59b8b8b27273d25ed2b61bcdf724e8fd68afe51c65120b945bf153919fcd2904",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-07T14:22:43Z",
    "title_canon_sha256": "187fd1c40c30e89fea957b154a3e715c3666191627cf8c80878e18b4202b2020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02245",
    "kind": "arxiv",
    "version": 2
  }
}