Pith Number

pith:OORTJ2L6

pith:2015:OORTJ2L6HQ3A6G2CXETU27UYXE

not attested not anchored not stored refs pending

On the hardness of learning sparse parities

Ameet Gadekar, Arnab Bhattacharyya, Rishi Saket, Suprovat Ghoshal

arxiv:1511.08270 v1 · 2015-11-26 · cs.CC · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OORTJ2L6HQ3A6G2CXETU27UYXE}

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	2026-05-18T01:25:56.161480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a334e97e3c360f1b42b9274d7e98b91da501846a3e82a96b6d06b2646e5d27

Aliases

arxiv: 1511.08270 · arxiv_version: 1511.08270v1 · doi: 10.48550/arxiv.1511.08270 · pith_short_12: OORTJ2L6HQ3A · pith_short_16: OORTJ2L6HQ3A6G2C · pith_short_8: OORTJ2L6

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/OORTJ2L6HQ3A6G2CXETU27UYXE \
  | 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: 73a334e97e3c360f1b42b9274d7e98b91da501846a3e82a96b6d06b2646e5d27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9ee93d2607ea98f52a5d8341227fa9469e06ffebcca45474118352e91b2f3d",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-11-26T02:08:36Z",
    "title_canon_sha256": "e53d50d976d1e82d9e4880d75d3aaa4da44aec86500b3e0866b5d9550ed153ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08270",
    "kind": "arxiv",
    "version": 1
  }
}