Pith Number

pith:UWYLA7WE

pith:2026:UWYLA7WER2U4KBKLBSGIQEJ43Q

not attested not anchored not stored refs pending

Deterministic Coreset for Lp Subspace

Anirban Dasgupta, Dan Feldman, Rachit Chhaya, Supratim Shit

arxiv:2601.00361 v3 · 2026-01-01 · cs.DS · 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{UWYLA7WER2U4KBKLBSGIQEJ43Q}

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	2026-05-20T00:00:31.481041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b0b07ec48ea9c5054b0c8c88113cdc1afebbd88e2cfdff22f4a6edcd5520e0

Aliases

arxiv: 2601.00361 · arxiv_version: 2601.00361v3 · doi: 10.48550/arxiv.2601.00361 · pith_short_12: UWYLA7WER2U4 · pith_short_16: UWYLA7WER2U4KBKL · pith_short_8: UWYLA7WE

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/UWYLA7WER2U4KBKLBSGIQEJ43Q \
  | 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: a5b0b07ec48ea9c5054b0c8c88113cdc1afebbd88e2cfdff22f4a6edcd5520e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5249a162862ca89928cef426df03cdbaa573dac575376ed4adb23661da6e016f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-01-01T14:31:16Z",
    "title_canon_sha256": "4b1c75f2c36c48126fd0f9580a3b6a31e6fc551da59976e2f68263a5e6908bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.00361",
    "kind": "arxiv",
    "version": 3
  }
}