Pith Number

pith:E7Z2KMTH

pith:2019:E7Z2KMTHOYCBEPVDXUS6W35IN6

not attested not anchored not stored refs pending

Learning to Demodulate from Few Pilots via Offline and Online Meta-Learning

Hyeryung Jang, Joonhyuk Kang, Osvaldo Simeone, Sangwoo Park

arxiv:1908.09049 v3 · 2019-08-23 · eess.SP · cs.IT · 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{E7Z2KMTHOYCBEPVDXUS6W35IN6}

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	2026-07-05T03:24:25.776997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f3a532677604123ea3bd25eb6fa86fb1f6e7a79d2a4748a3b6c5d41c713842

Aliases

arxiv: 1908.09049 · arxiv_version: 1908.09049v3 · doi: 10.48550/arxiv.1908.09049 · pith_short_12: E7Z2KMTHOYCB · pith_short_16: E7Z2KMTHOYCBEPVD · pith_short_8: E7Z2KMTH

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/E7Z2KMTHOYCBEPVDXUS6W35IN6 \
  | 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: 27f3a532677604123ea3bd25eb6fa86fb1f6e7a79d2a4748a3b6c5d41c713842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891c3ba36425f5dc8097b8f671dfc2ba9443f7485e8bd577f9fe8e13307edbbf",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-23T23:27:16Z",
    "title_canon_sha256": "44883ccb027b1f68ad3a08cd3f93b3e8c780f1103bf7fabd1777e01d55b9260c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09049",
    "kind": "arxiv",
    "version": 3
  }
}