Pith Number

pith:AHDUYRPW

pith:2021:AHDUYRPWY2H7FUCFIAYLQ6LMZ2

not attested not anchored not stored refs pending

Online Stochastic Gradient Descent Learns Linear Dynamical Systems from A Single Trajectory

Jarvis Haupt, Navid Reyhanian

arxiv:2102.11822 v1 · 2021-02-23 · cs.LG · cs.SY · eess.SP · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHDUYRPWY2H7FUCFIAYLQ6LMZ2}

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	2026-07-05T02:17:54.564094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c74c45f6c68ff2d0454030b8796cce991ae8c2055a55b555fbf713519b7f99

Aliases

arxiv: 2102.11822 · arxiv_version: 2102.11822v1 · doi: 10.48550/arxiv.2102.11822 · pith_short_12: AHDUYRPWY2H7 · pith_short_16: AHDUYRPWY2H7FUCF · pith_short_8: AHDUYRPW

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/AHDUYRPWY2H7FUCFIAYLQ6LMZ2 \
  | 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: 01c74c45f6c68ff2d0454030b8796cce991ae8c2055a55b555fbf713519b7f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64dcc70aadec7d2ca9fc13644ef6245979dc598e95ac1ef54dc1a23c5e4b3cd2",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SP",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-23T17:48:39Z",
    "title_canon_sha256": "bf943691bac30f0454679d9aeed84f6037f8ccdd7c50a68b912407bfc918e6a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11822",
    "kind": "arxiv",
    "version": 1
  }
}