Pith Number

pith:GWELDXLH

pith:2016:GWELDXLHWYFXV6FFY2ORGXXAW7

not attested not anchored not stored refs pending

Approximate Sparse Linear Regression

Piotr Indyk, Sariel Har-Peled, Sepideh Mahabadi

arxiv:1609.08739 v2 · 2016-09-28 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWELDXLHWYFXV6FFY2ORGXXAW7}

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	2026-05-18T00:17:19.703030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3588b1dd67b60b7af8a5c69d135ee0b7c0f5258fc1ae98e43710bbf1136f90ac

Aliases

arxiv: 1609.08739 · arxiv_version: 1609.08739v2 · doi: 10.48550/arxiv.1609.08739 · pith_short_12: GWELDXLHWYFX · pith_short_16: GWELDXLHWYFXV6FF · pith_short_8: GWELDXLH

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/GWELDXLHWYFXV6FFY2ORGXXAW7 \
  | 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: 3588b1dd67b60b7af8a5c69d135ee0b7c0f5258fc1ae98e43710bbf1136f90ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "836daafa90bfaf38f99a44169b446b5abb8c080ec79fef3e7e183c9961a70025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-09-28T02:36:46Z",
    "title_canon_sha256": "a66744bae4206dfef137ad15a305bf6f33c5ad67ab8ffb7f0fa28e2b636d2281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08739",
    "kind": "arxiv",
    "version": 2
  }
}