Pith Number

pith:B3Q47PKR

pith:2012:B3Q47PKRZAFN4OWKE3VFKMR4LK

not attested not anchored not stored refs pending

Lower Bounds on Testing Functions of Low Fourier Degree

Pooya Hatami

arxiv:1202.3479 v4 · 2012-02-16 · 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{B3Q47PKRZAFN4OWKE3VFKMR4LK}

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	2026-05-18T03:15:06.667518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee1cfbd51c80ade3aca26ea55323c5aa88bc91cc18ef492a9c4eafb0bfefc76

Aliases

arxiv: 1202.3479 · arxiv_version: 1202.3479v4 · doi: 10.48550/arxiv.1202.3479 · pith_short_12: B3Q47PKRZAFN · pith_short_16: B3Q47PKRZAFN4OWK · pith_short_8: B3Q47PKR

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/B3Q47PKRZAFN4OWKE3VFKMR4LK \
  | 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: 0ee1cfbd51c80ade3aca26ea55323c5aa88bc91cc18ef492a9c4eafb0bfefc76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1230243659a1b7703e67d672f51b28c02cc38356caf8246a32eb65edb1a993e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-02-16T00:23:15Z",
    "title_canon_sha256": "bedc158cb1577d657b834d62601fae62f593fe77d2b8f6b3e529156334119d81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3479",
    "kind": "arxiv",
    "version": 4
  }
}