Pith Number

pith:HB7MFRFI

pith:2014:HB7MFRFIEDIPITFKUOOZFW6I3X

not attested not anchored not stored refs pending

Error correcting codes and spatial coupling

Ayaka Sakata, Jean Barbier, Rafah El-Khatib, R\"udiger Urbanke

arxiv:1409.7465 v1 · 2014-09-26 · cs.IT · cond-mat.dis-nn · cond-mat.stat-mech · 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{HB7MFRFIEDIPITFKUOOZFW6I3X}

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	2026-05-18T02:41:52.628088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387ec2c4a820d0f44caaa39d92dbc8dde9802e3c789fe124a6b4a6cfff9a99ef

Aliases

arxiv: 1409.7465 · arxiv_version: 1409.7465v1 · doi: 10.48550/arxiv.1409.7465 · pith_short_12: HB7MFRFIEDIP · pith_short_16: HB7MFRFIEDIPITFK · pith_short_8: HB7MFRFI

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/HB7MFRFIEDIPITFKUOOZFW6I3X \
  | 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: 387ec2c4a820d0f44caaa39d92dbc8dde9802e3c789fe124a6b4a6cfff9a99ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8a193f7d4098c585cf4c2f2aa1409f5f154e91754dd854b0414d82416f2213",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-26T03:13:03Z",
    "title_canon_sha256": "bd66f17421c6a596efc61d57809904c63d25b1319c09fb8f38ce8ca88092c80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7465",
    "kind": "arxiv",
    "version": 1
  }
}