Pith Number

pith:PUD3D5ZO

pith:2011:PUD3D5ZOPTCKTRASWIEUWT4NXE

not attested not anchored not stored refs pending

On the Universality of Online Mirror Descent

Ambuj Tewari, Karthik Sridharan, Nathan Srebro

arxiv:1107.4080 v1 · 2011-07-20 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUD3D5ZOPTCKTRASWIEUWT4NXE}

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	2026-05-18T04:17:14.043624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d07b1f72e7cc4a9c412b2094b4f8db907cbdfd20546ef34d8b186cc63afb1c0

Aliases

arxiv: 1107.4080 · arxiv_version: 1107.4080v1 · doi: 10.48550/arxiv.1107.4080 · pith_short_12: PUD3D5ZOPTCK · pith_short_16: PUD3D5ZOPTCKTRAS · pith_short_8: PUD3D5ZO

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/PUD3D5ZOPTCKTRASWIEUWT4NXE \
  | 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: 7d07b1f72e7cc4a9c412b2094b4f8db907cbdfd20546ef34d8b186cc63afb1c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf1ab47d566678e991196842c833d6559981192058ff79d78024f2cf059807c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-07-20T19:34:00Z",
    "title_canon_sha256": "4dce4f599dcc18cc58ceeed3e73853e5c44d10b506ab5dd7f0ab3330eb1329ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4080",
    "kind": "arxiv",
    "version": 1
  }
}