Pith Number

pith:STGT3QOL

pith:2021:STGT3QOL2XVBBASNDW3LAKRNJD

not attested not anchored not stored refs pending

Robust Ambient Backscatter Communications with Polarization Reconfigurable Tags

Abdelwaheb Ourir, Dinh-Thuy Phan-Huy, Julien de Rosny, Marco Di Renzo, Romain Fara

arxiv:2111.01917 v1 · 2021-11-02 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STGT3QOL2XVBBASNDW3LAKRNJD}

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	2026-07-05T03:28:44.164037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94cd3dc1cbd5ea10824d1db6b02a2d48ff5a77f129e8ba35cd22006f24cff23b

Aliases

arxiv: 2111.01917 · arxiv_version: 2111.01917v1 · doi: 10.48550/arxiv.2111.01917 · pith_short_12: STGT3QOL2XVB · pith_short_16: STGT3QOL2XVBBASN · pith_short_8: STGT3QOL

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/STGT3QOL2XVBBASNDW3LAKRNJD \
  | 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: 94cd3dc1cbd5ea10824d1db6b02a2d48ff5a77f129e8ba35cd22006f24cff23b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b6cdd0684c4d382f79c6dfbd8428189d76d8607353f75c5dc0498cad8ff2bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-02T22:09:40Z",
    "title_canon_sha256": "7cbed590dc359c8bf6058fe16eb187d29e99d2af3a3c3883595d762d94118b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01917",
    "kind": "arxiv",
    "version": 1
  }
}