Pith Number

pith:MYPHXJQ5

pith:2026:MYPHXJQ5OUFVKGMN22F6YRFV5V

not attested not anchored not stored refs pending

Uplink SRS-Based Real-Time Indoor Localization System over OpenAirInterface

Chieh-Chun Chen, Navid Nikaein, Ping-Yu Hsieh, Ray-Guang Cheng

arxiv:2607.18549 v1 · 2026-07-20 · 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{MYPHXJQ5OUFVKGMN22F6YRFV5V}

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	2026-07-22T00:22:53.849506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

661e7ba61d750b55198dd68bec44b5ed7d728b28b89b9a7f19616b97fb9350ec

Aliases

arxiv: 2607.18549 · arxiv_version: 2607.18549v1 · doi: 10.48550/arxiv.2607.18549 · pith_short_12: MYPHXJQ5OUFV · pith_short_16: MYPHXJQ5OUFVKGMN · pith_short_8: MYPHXJQ5

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/MYPHXJQ5OUFVKGMN22F6YRFV5V \
  | 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: 661e7ba61d750b55198dd68bec44b5ed7d728b28b89b9a7f19616b97fb9350ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e568fcdb618b651e21f3094968927e5517de880bd50d8c539ef3c2224eea2fdd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2026-07-20T22:29:05Z",
    "title_canon_sha256": "c1c295bbca84c14c4670cae8106a9eef8db8c63634e10b5a2c4a5d6290be03b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18549",
    "kind": "arxiv",
    "version": 1
  }
}