Pith Number

pith:5DAORE7J

pith:2015:5DAORE7JQLUG2ZB4L2FI573DVJ

not attested not anchored not stored refs pending

Tensor principal component analysis via sum-of-squares proofs

David Steurer, Jonathan Shi, Samuel B. Hopkins

arxiv:1507.03269 v1 · 2015-07-12 · cs.LG · cs.CC · cs.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DAORE7JQLUG2ZB4L2FI573DVJ}

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	2026-05-18T01:36:59.258928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c0e893e982e86d643c5e8a8eff63aa5263eae4d99f901ce827e2ac3a39020c

Aliases

arxiv: 1507.03269 · arxiv_version: 1507.03269v1 · doi: 10.48550/arxiv.1507.03269 · pith_short_12: 5DAORE7JQLUG · pith_short_16: 5DAORE7JQLUG2ZB4 · pith_short_8: 5DAORE7J

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/5DAORE7JQLUG2ZB4L2FI573DVJ \
  | 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: e8c0e893e982e86d643c5e8a8eff63aa5263eae4d99f901ce827e2ac3a39020c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a768b94a1469fd91131a68bfe4086afc33e740652489afc24cccf7ae536147cb",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-12T20:30:09Z",
    "title_canon_sha256": "b31b2625e7bef9824840c0d97e583f0188163d42e8ef5e400273e0b6d22537cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03269",
    "kind": "arxiv",
    "version": 1
  }
}