Pith Number

pith:QXGSVGMQ

pith:2015:QXGSVGMQA63YKUDXA6DEFWONRS

not attested not anchored not stored refs pending

Using the Johnson-Lindenstrauss lemma in linear and integer programming

Ky Vu, Leo Liberti, Pierre-Louis Poirion

arxiv:1507.00990 v1 · 2015-07-03 · math.OC · 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{QXGSVGMQA63YKUDXA6DEFWONRS}

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	2026-05-18T01:37:22.072005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85cd2a999007b7855077078642d9cd8c970e775f5b3541aee5a18e856cbf8eec

Aliases

arxiv: 1507.00990 · arxiv_version: 1507.00990v1 · doi: 10.48550/arxiv.1507.00990 · pith_short_12: QXGSVGMQA63Y · pith_short_16: QXGSVGMQA63YKUDX · pith_short_8: QXGSVGMQ

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/QXGSVGMQA63YKUDXA6DEFWONRS \
  | 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: 85cd2a999007b7855077078642d9cd8c970e775f5b3541aee5a18e856cbf8eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76b76aebe225661dbf06ad3680bfb02d4afa4fb7dc32b222b7c6662c259eeb5",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-03T19:30:20Z",
    "title_canon_sha256": "2ea1e31dafcacd6070b96bb466d93fd901d8e04ea9c75f7a3455e3230d7513c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00990",
    "kind": "arxiv",
    "version": 1
  }
}