Pith Number

pith:DPXAPB2G

pith:2013:DPXAPB2GIFTAH2AHMAZQS2X744

not attested not anchored not stored refs pending

The Lasserre Hierarchy in Almost Diagonal Form

Monaldo Mastrolilli

arxiv:1312.6493 v4 · 2013-12-23 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPXAPB2GIFTAH2AHMAZQS2X744}

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	2026-05-18T02:55:03.730682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bee078746416603e8076033096affe70e64865fbc638113cb184e2d7efb7eb4

Aliases

arxiv: 1312.6493 · arxiv_version: 1312.6493v4 · doi: 10.48550/arxiv.1312.6493 · pith_short_12: DPXAPB2GIFTA · pith_short_16: DPXAPB2GIFTAH2AH · pith_short_8: DPXAPB2G

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/DPXAPB2GIFTAH2AHMAZQS2X744 \
  | 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: 1bee078746416603e8076033096affe70e64865fbc638113cb184e2d7efb7eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b7fb8f96def3afea13bcf87de3b6fea1924c40cf007c51cf30ff82c42bcb14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-12-23T09:34:33Z",
    "title_canon_sha256": "922a74b5510278f6eddfb44b596c97a8d44cf9618260467cc4aaa6e3c75473d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6493",
    "kind": "arxiv",
    "version": 4
  }
}