Pith Number

pith:CA5QNERB

pith:2021:CA5QNERB6Z4RBNWFS7AMD4C4Z3

not attested not anchored not stored refs pending

PAPIR: Practical RIS-aided Localization via Statistical User Information

Antonio Albanese, Placido Mursia, Vincenzo Sciancalepore, Xavier Costa-P\'erez

arxiv:2109.08532 v2 · 2021-09-17 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CA5QNERB6Z4RBNWFS7AMD4C4Z3}

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	2026-07-05T03:57:54.571676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103b069221f67910b6c597c0c1f05cced11dead74c9d2c60677e7db70c51033b

Aliases

arxiv: 2109.08532 · arxiv_version: 2109.08532v2 · doi: 10.48550/arxiv.2109.08532 · pith_short_12: CA5QNERB6Z4R · pith_short_16: CA5QNERB6Z4RBNWF · pith_short_8: CA5QNERB

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/CA5QNERB6Z4RBNWFS7AMD4C4Z3 \
  | 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: 103b069221f67910b6c597c0c1f05cced11dead74c9d2c60677e7db70c51033b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7220903e6e2ef7ddadcdedc399085e8d908ce533e2ce2ec21fbb591956bc19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2021-09-17T13:13:03Z",
    "title_canon_sha256": "ef0021545adbaf21acf29da6b5f9877945766242ff497c4f2cca233cd02d5dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08532",
    "kind": "arxiv",
    "version": 2
  }
}