Pith Number

pith:XUYCFAQX

pith:2016:XUYCFAQXKVHZU535Y5KT2LM4ZV

not attested not anchored not stored refs pending

Lasserre Lower Bounds and Definability of Semidefinite Programming

Anuj Dawar, Pengming Wang

arxiv:1602.05409 v2 · 2016-02-17 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUYCFAQXKVHZU535Y5KT2LM4ZV}

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	2026-05-18T01:03:59.443839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd30228217554f9a777dc7553d2d9ccd61c810f52db579ed0bb6879410728f34

Aliases

arxiv: 1602.05409 · arxiv_version: 1602.05409v2 · doi: 10.48550/arxiv.1602.05409 · pith_short_12: XUYCFAQXKVHZ · pith_short_16: XUYCFAQXKVHZU535 · pith_short_8: XUYCFAQX

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/XUYCFAQXKVHZU535Y5KT2LM4ZV \
  | 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: bd30228217554f9a777dc7553d2d9ccd61c810f52db579ed0bb6879410728f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e34d452a3f605420330bdc87752de06679ea65dee9a145577bae49cf7fea7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-02-17T13:45:38Z",
    "title_canon_sha256": "31bebde7862af1efda4417519ead0df21fdece7465e7539c36c6fdd00a60d22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05409",
    "kind": "arxiv",
    "version": 2
  }
}