Pith Number

pith:QOXGCN2D

pith:2017:QOXGCN2DNRBZR36U5PXWBQTOV4

not attested not anchored not stored refs pending

Blind Detection with Polar Codes

Carlo Condo, Seyyed Ali Hashemi, Warren J. Gross

arxiv:1705.01864 v2 · 2017-05-04 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOXGCN2DNRBZR36U5PXWBQTOV4}

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	2026-05-18T00:44:23.019797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ae6137436c4398efd4ebef60c26eaf19eea44a3f687f179aff166e01ab3d38

Aliases

arxiv: 1705.01864 · arxiv_version: 1705.01864v2 · doi: 10.48550/arxiv.1705.01864 · pith_short_12: QOXGCN2DNRBZ · pith_short_16: QOXGCN2DNRBZR36U · pith_short_8: QOXGCN2D

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/QOXGCN2DNRBZR36U5PXWBQTOV4 \
  | 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: 83ae6137436c4398efd4ebef60c26eaf19eea44a3f687f179aff166e01ab3d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a6722a8ae2aef5c6c62764620ba618211cbdfde4f4904c120277adbbed1f319",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-04T14:51:21Z",
    "title_canon_sha256": "9617d36d24a7a2636ad30a9a45cd6eda27c7e482a6b37d4721211608ee1b5767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01864",
    "kind": "arxiv",
    "version": 2
  }
}