Pith Number

pith:NXYD2OOF

pith:2006:NXYD2OOFSKTCKHO7ABCDPNKFZF

not attested not anchored not stored refs pending

A Semidefinite Relaxation for Air Traffic Flow Scheduling

Alexandre d'Aspremont, Laurent El Ghaoui

arxiv:cs/0609145 v1 · 2006-09-26 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXYD2OOFSKTCKHO7ABCDPNKFZF}

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	2026-07-04T14:56:27.920296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df03d39c592a6251ddf004437b545c96119d69dbcc29ffac761873db21998df

Aliases

arxiv: cs/0609145 · arxiv_version: cs/0609145v1 · doi: 10.48550/arxiv.cs/0609145 · pith_short_12: NXYD2OOFSKTC · pith_short_16: NXYD2OOFSKTCKHO7 · pith_short_8: NXYD2OOF

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/NXYD2OOFSKTCKHO7ABCDPNKFZF \
  | 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: 6df03d39c592a6251ddf004437b545c96119d69dbcc29ffac761873db21998df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e75b895b4f26d088243d934fb91acd726a5445c034591cba7052e7fa10cc35",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CE",
    "submitted_at": "2006-09-26T15:34:40Z",
    "title_canon_sha256": "0910560371208950bf37f3d91c78d4db4cae514e5aff1e08c806c662d759776e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0609145",
    "kind": "arxiv",
    "version": 1
  }
}