Pith Number

pith:QKTKVMYZ

pith:2024:QKTKVMYZBCBFC3OSFASTDMQTNY

not attested not anchored not stored refs pending

The Existential Theory of the Reals as a Complexity Class: A Compendium

Jean Cardinal, Marcus Schaefer, Tillmann Miltzow

arxiv:2407.18006 v1 · 2024-07-25 · cs.CC · cs.CG · cs.DS · cs.FL · 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{QKTKVMYZBCBFC3OSFASTDMQTNY}

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.

Cited by

3 papers in Pith

Randomise Alone, Reach as a Team

Tensor Spectral Threshold is $\exists\mathbb{R}$-Hard

$\exists\mathbb{R}$-Completeness of Tensor Degeneracy and a Derandomization Barrier for Hyperdeterminants

Receipt and verification

First computed	2026-07-05T08:48:33.008007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a6aab3190882516dd2282531b2136e212552418cfda71af1676f8414d00217

Aliases

arxiv: 2407.18006 · arxiv_version: 2407.18006v1 · doi: 10.48550/arxiv.2407.18006 · pith_short_12: QKTKVMYZBCBF · pith_short_16: QKTKVMYZBCBFC3OS · pith_short_8: QKTKVMYZ

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/QKTKVMYZBCBFC3OSFASTDMQTNY \
  | 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: 82a6aab3190882516dd2282531b2136e212552418cfda71af1676f8414d00217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e372f51c2fad12e974c2ed09441d3d7e20aa44d6ffc7c2df50efa13e9538b8df",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DS",
      "cs.FL",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2024-07-25T13:02:06Z",
    "title_canon_sha256": "a55a514151ab9393321dc9f356709cb36064d87c58ca5af36998f856ea7f2525"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.18006",
    "kind": "arxiv",
    "version": 1
  }
}