Pith Number

pith:H7JWRI7N

pith:2014:H7JWRI7NHSHNJ75VLW56ZAXEEH

not attested not anchored not stored refs pending

A new perspective on least squares under convex constraint

Sourav Chatterjee

arxiv:1402.0830 v5 · 2014-02-04 · math.ST · math.PR · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7JWRI7NHSHNJ75VLW56ZAXEEH}

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	2026-05-18T02:33:25.478459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd368a3ed3c8ed4ffb55dbbec82e421f8a792d6eb96bdd512f79dff94317684

Aliases

arxiv: 1402.0830 · arxiv_version: 1402.0830v5 · doi: 10.48550/arxiv.1402.0830 · pith_short_12: H7JWRI7NHSHN · pith_short_16: H7JWRI7NHSHNJ75V · pith_short_8: H7JWRI7N

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/H7JWRI7NHSHNJ75VLW56ZAXEEH \
  | 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: 3fd368a3ed3c8ed4ffb55dbbec82e421f8a792d6eb96bdd512f79dff94317684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcf24d8dc3cf77881b054ab98a93e88b23033b6cd2b9a01574fcd2a10153b4ab",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-02-04T18:53:47Z",
    "title_canon_sha256": "dc2148c7160de4d388a15d273956eb5c802b96da1701cfa8179ace4d89bea5a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0830",
    "kind": "arxiv",
    "version": 5
  }
}