Pith Number

pith:JTHH4V6E

pith:2009:JTHH4V6EHCEWHVIUC2ACVOAB2R

not attested not anchored not stored refs pending

The intersection of two halfspaces has high threshold degree

Alexander A. Sherstov

arxiv:0910.1862 v1 · 2009-10-12 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTHH4V6EHCEWHVIUC2ACVOAB2R}

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	2026-05-18T01:04:59.695456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cce7e57c4388963d51416802ab801d4694e965770922ca44237c22aba1a3fbe

Aliases

arxiv: 0910.1862 · arxiv_version: 0910.1862v1 · doi: 10.48550/arxiv.0910.1862 · pith_short_12: JTHH4V6EHCEW · pith_short_16: JTHH4V6EHCEWHVIU · pith_short_8: JTHH4V6E

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/JTHH4V6EHCEWHVIUC2ACVOAB2R \
  | 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: 4cce7e57c4388963d51416802ab801d4694e965770922ca44237c22aba1a3fbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7dfaa2262fcff658235b1cd7a911e49aba81a395b1cfdf8fd667ab337f423f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2009-10-12T16:14:48Z",
    "title_canon_sha256": "17032e10bd7cdec50a23458145cfa25a9085f965a662310bc54f0b2200ebb92e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1862",
    "kind": "arxiv",
    "version": 1
  }
}