Pith Number

pith:54PMNSZN

pith:2025:54PMNSZNPUS67FOWYHUTT2CGBG

not attested not anchored not stored refs pending

Radio Frequency Identification: Decades at a Time

Christopher Saetia, Daniel M. Dobkin, Gregory Durgin

arxiv:2508.17051 v2 · 2025-08-23 · 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{54PMNSZNPUS67FOWYHUTT2CGBG}

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.

Cited by

1 paper in Pith

ISAC with Backscattering RFID Tags: Beamforming and Codebook Design

Receipt and verification

First computed	2026-07-05T12:01:26.002793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef1ec6cb2d7d25ef95d6c1e939e84609b471fc5cc7da9c2453fac24f0e657bfa

Aliases

arxiv: 2508.17051 · arxiv_version: 2508.17051v2 · doi: 10.48550/arxiv.2508.17051 · pith_short_12: 54PMNSZNPUS6 · pith_short_16: 54PMNSZNPUS67FOW · pith_short_8: 54PMNSZN

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/54PMNSZNPUS67FOWYHUTT2CGBG \
  | 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: ef1ec6cb2d7d25ef95d6c1e939e84609b471fc5cc7da9c2453fac24f0e657bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05dd645929a7b8421a9f672f6416d4f73d75b72e18c20aaa70f1a41e3b4df74a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-08-23T15:01:17Z",
    "title_canon_sha256": "f944c8a8b502b63db58c98ccf136c1f6e76b95709652abdb884ed59ec4534830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17051",
    "kind": "arxiv",
    "version": 2
  }
}