Pith Number

pith:XK2WQNP7

pith:2020:XK2WQNP7JENCNPKGA5RHEQEGKN

not attested not anchored not stored refs pending

Multitask learning over graphs: An Approach for Distributed, Streaming Machine Learning

Ali H. Sayed, Cedric Richard, Jie Chen, Roula Nassif, Stefan Vlaski

arxiv:2001.02112 v2 · 2020-01-07 · eess.SP · cs.LG · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XK2WQNP7JENCNPKGA5RHEQEGKN}

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	2026-07-05T03:18:12.632788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab56835ff491a26bd46076272408653479347a1db74bdc5ae22e5f2fd25ddc6

Aliases

arxiv: 2001.02112 · arxiv_version: 2001.02112v2 · doi: 10.48550/arxiv.2001.02112 · pith_short_12: XK2WQNP7JENC · pith_short_16: XK2WQNP7JENCNPKG · pith_short_8: XK2WQNP7

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/XK2WQNP7JENCNPKGA5RHEQEGKN \
  | 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: bab56835ff491a26bd46076272408653479347a1db74bdc5ae22e5f2fd25ddc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d511e152ac97a9a0f67549a41813bb6ffb43e748058ad997f2643a30b6cf59",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-01-07T15:32:57Z",
    "title_canon_sha256": "5a5986436753fbd7b8112b9c67dbf40db86f8ca6cd1e0728ce751c8d54d6ee4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02112",
    "kind": "arxiv",
    "version": 2
  }
}