Pith Number

pith:R7AGLIQ4

pith:2020:R7AGLIQ4Q5MXCTX23NFEGBJ5XD

not attested not anchored not stored refs pending

Tiering as a Stochastic Submodular Optimization Problem

Alex Smola, Brian Luc, Hyokun Yun, Michael Froh, Roshan Makhijani, Trishul Chilimbi

arxiv:2005.07893 v1 · 2020-05-16 · cs.IR · 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{R7AGLIQ4Q5MXCTX23NFEGBJ5XD}

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	2026-07-05T01:03:11.058621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc065a21c8759714efadb4a43053db8d29175d69e1ab9642337f1ac6a61eb0e

Aliases

arxiv: 2005.07893 · arxiv_version: 2005.07893v1 · doi: 10.48550/arxiv.2005.07893 · pith_short_12: R7AGLIQ4Q5MX · pith_short_16: R7AGLIQ4Q5MXCTX2 · pith_short_8: R7AGLIQ4

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/R7AGLIQ4Q5MXCTX23NFEGBJ5XD \
  | 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: 8fc065a21c8759714efadb4a43053db8d29175d69e1ab9642337f1ac6a61eb0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b505af1ba956bb77b52e491cd2fa77168f1f73582e3c1667afcbf5b62d78e9ac",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-05-16T07:39:29Z",
    "title_canon_sha256": "62c57adbb5f2b236af89a3c97755d72752992168c278cbb37dfb8ee0c5917eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07893",
    "kind": "arxiv",
    "version": 1
  }
}