Pith Number

pith:QWS6IDK2

pith:2023:QWS6IDK2O3SQSSQD6ENACFTZGC

not attested not anchored not stored refs pending

A Proof of Concept for OTFS Resilience in Doubly-Selective Channels by GPU-Enabled Real-Time SDR

Ata Sattarzadeh, David Redgate, Neil Bhushan, Onur Dizdar, Stephen Wang, Venkateswara Battula, Yi Xien Yap

arxiv:2309.12861 v2 · 2023-09-22 · cs.IT · eess.SP · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWS6IDK2O3SQSSQD6ENACFTZGC}

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	2026-07-05T07:14:17.718855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a5e40d5a76e5094a03f11a01167930b4fa7ee98e0516b045dd73a4fd07b3c9

Aliases

arxiv: 2309.12861 · arxiv_version: 2309.12861v2 · doi: 10.48550/arxiv.2309.12861 · pith_short_12: QWS6IDK2O3SQ · pith_short_16: QWS6IDK2O3SQSSQD · pith_short_8: QWS6IDK2

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/QWS6IDK2O3SQSSQD6ENACFTZGC \
  | 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: 85a5e40d5a76e5094a03f11a01167930b4fa7ee98e0516b045dd73a4fd07b3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e905a5d6d6f4eff5a80b54344bcaf782ce29713b08b6dbee24c6e37d9830d0cd",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2023-09-22T13:35:14Z",
    "title_canon_sha256": "38784725e0e78a4f1ec0356bdc8657533a1f73aebfe6a7dd683cd28594ea3568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.12861",
    "kind": "arxiv",
    "version": 2
  }
}