Pith Number

pith:XLCR3HGU

pith:2022:XLCR3HGUJ5M2467XGWMDMKJP2O

not attested not anchored not stored refs pending

Meta-AF: Meta-Learning for Adaptive Filters

Jonah Casebeer, Nicholas J. Bryan, Paris Smaragdis

arxiv:2204.11942 v2 · 2022-04-25 · cs.SD · eess.AS · 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{XLCR3HGUJ5M2467XGWMDMKJP2O}

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	2026-07-05T05:18:03.046589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bac51d9cd44f59ae7bf7359836292fd39f79ff44846cd6948249f9354fde50df

Aliases

arxiv: 2204.11942 · arxiv_version: 2204.11942v2 · doi: 10.48550/arxiv.2204.11942 · pith_short_12: XLCR3HGUJ5M2 · pith_short_16: XLCR3HGUJ5M2467X · pith_short_8: XLCR3HGU

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/XLCR3HGUJ5M2467XGWMDMKJP2O \
  | 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: bac51d9cd44f59ae7bf7359836292fd39f79ff44846cd6948249f9354fde50df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "881eeb470ad613645bd81f8b73b31e1511c981f47fed488e621edcaad8966e23",
    "cross_cats_sorted": [
      "eess.AS",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-04-25T19:44:24Z",
    "title_canon_sha256": "0259cb772cfc76781831608be133303bbd4d23a40504c5feebee0fb3e44906fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11942",
    "kind": "arxiv",
    "version": 2
  }
}