Pith Number

pith:OIXHK47U

pith:2015:OIXHK47UAF25W4UGQJRCQTI4J4

not attested not anchored not stored refs pending

Dimensionality Reduction of Massive Sparse Datasets Using Coresets

Dan Feldman, Daniela Rus, Mikhail Volkov

arxiv:1503.01663 v1 · 2015-03-05 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIXHK47UAF25W4UGQJRCQTI4J4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:33.166967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

722e7573f40175db72868262284d1c4f0e57ddde691be9c06fffe5770422c869

Aliases

arxiv: 1503.01663 · arxiv_version: 1503.01663v1 · doi: 10.48550/arxiv.1503.01663 · pith_short_12: OIXHK47UAF25 · pith_short_16: OIXHK47UAF25W4UG · pith_short_8: OIXHK47U

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/OIXHK47UAF25W4UGQJRCQTI4J4 \
  | 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: 722e7573f40175db72868262284d1c4f0e57ddde691be9c06fffe5770422c869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c741617a7433f20d9f38b0b838a9f1968739e20f40c5dbf92f424bc4b865a63b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-05T15:39:49Z",
    "title_canon_sha256": "2d4dbcabc240097d406d0ed404a99a260b15bb22bf70d842c73f505b8ffe802c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01663",
    "kind": "arxiv",
    "version": 1
  }
}