pith. sign in
Pith Number

pith:LXMTYCNH

pith:2012:LXMTYCNHMFNLNGFYRVOCBF4HGX
not attested not anchored not stored refs pending

Bounds for projective codes from semidefinite programming

Alberto Passuello (IMB), Christine Bachoc (IMB), Frank Vallentin (TWA)

arxiv:1205.6406 v2 · 2012-05-29 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LXMTYCNHMFNLNGFYRVOCBF4HGX}

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 2026-05-18T03:08:14.606667Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5dd93c09a7615ab698b88d5c20978735c04671aa21f0a56f768c795a773df7c9

Aliases

arxiv: 1205.6406 · arxiv_version: 1205.6406v2 · doi: 10.48550/arxiv.1205.6406 · pith_short_12: LXMTYCNHMFNL · pith_short_16: LXMTYCNHMFNLNGFY · pith_short_8: LXMTYCNH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LXMTYCNHMFNLNGFYRVOCBF4HGX \
  | 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: 5dd93c09a7615ab698b88d5c20978735c04671aa21f0a56f768c795a773df7c9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "55d37ea9ed550d5de0bb29d8daacbbaff59013c603c423b3498754478371c905",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-29T16:03:50Z",
    "title_canon_sha256": "272f3e62ce1fb5c88a89d19f970f44ec8c502de5ecc2d546d0efffe5d0e7ff21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6406",
    "kind": "arxiv",
    "version": 2
  }
}