Pith Number

pith:J27UHNBR

pith:2018:J27UHNBRHJG3UG7RKJCOMPK2EV

not attested not anchored not stored refs pending

Learning over Multitask Graphs -- Part II: Performance Analysis

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

arxiv:1805.08547 v2 · 2018-05-22 · 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{J27UHNBRHJG3UG7RKJCOMPK2EV}

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	2026-07-05T00:19:17.989948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebf43b4313a4dba1bf15244e63d5a255ed925c4b2068e8dee8833d164cfd51b

Aliases

arxiv: 1805.08547 · arxiv_version: 1805.08547v2 · doi: 10.48550/arxiv.1805.08547 · pith_short_12: J27UHNBRHJG3 · pith_short_16: J27UHNBRHJG3UG7R · pith_short_8: J27UHNBR

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/J27UHNBRHJG3UG7RKJCOMPK2EV \
  | 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: 4ebf43b4313a4dba1bf15244e63d5a255ed925c4b2068e8dee8833d164cfd51b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d66121afbef851d7884a27578e8b19e6ca092f787132c7a0517fe1953b41b147",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2018-05-22T12:42:19Z",
    "title_canon_sha256": "1551ca32fe4f6a53ba837311cc82e3a7b0a83570527c6b1aa2b538bb06e7ed17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08547",
    "kind": "arxiv",
    "version": 2
  }
}