Pith Number

pith:X43B7V3F

pith:2017:X43B7V3FIPRJSJXNS4FAFOW3WL

not attested not anchored not stored refs pending

A novel low-rank matrix completion approach to estimate missing entries in Euclidean distance matrices

Carlile Lavor, Cristiano Torezzan, Leonardo Duarte, Nilson Moreira

arxiv:1711.06182 v1 · 2017-11-16 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X43B7V3FIPRJSJXNS4FAFOW3WL}

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	2026-05-18T00:30:23.125375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf361fd76543e29926ed970a02badbb2ead2a3cadd4fe87296980c3777e19c77

Aliases

arxiv: 1711.06182 · arxiv_version: 1711.06182v1 · doi: 10.48550/arxiv.1711.06182 · pith_short_12: X43B7V3FIPRJ · pith_short_16: X43B7V3FIPRJSJXN · pith_short_8: X43B7V3F

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/X43B7V3FIPRJSJXNS4FAFOW3WL \
  | 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: bf361fd76543e29926ed970a02badbb2ead2a3cadd4fe87296980c3777e19c77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd2b1e49ea7b4ed91c55ff3fd1c9bcc0cfad8c737e3a781f7feeea8e8d891736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-16T16:37:31Z",
    "title_canon_sha256": "ce13926eda870b6e4c6a0b19ea76a27cea7d1f2dc68241a7ee126889c91cf40b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06182",
    "kind": "arxiv",
    "version": 1
  }
}