Pith Number

pith:RF4L3SCB

pith:2013:RF4L3SCBTMWHOK5GI3YABXERBO

not attested not anchored not stored refs pending

Iterative Detection and Decoding for the Four-Rectangular-Grain TDMR Model

Benjamin J. Belzer, Jacob Murray, Krishnamoorthy Sivakumar, Michael Carosino, Paul Wettin, Yiming Chen

arxiv:1309.7518 v1 · 2013-09-29 · 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{RF4L3SCBTMWHOK5GI3YABXERBO}

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	2026-05-18T03:11:56.721728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8978bdc8419b2c772ba646f000dc910b99439efd26a731a59b4ad858236fbe52

Aliases

arxiv: 1309.7518 · arxiv_version: 1309.7518v1 · doi: 10.48550/arxiv.1309.7518 · pith_short_12: RF4L3SCBTMWH · pith_short_16: RF4L3SCBTMWHOK5G · pith_short_8: RF4L3SCB

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/RF4L3SCBTMWHOK5GI3YABXERBO \
  | 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: 8978bdc8419b2c772ba646f000dc910b99439efd26a731a59b4ad858236fbe52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "199b00a74ad5c654b804c7000e3f859b722b337cd5ee9ecd3e1be98deef01275",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-29T02:05:49Z",
    "title_canon_sha256": "061db16b9456e94b2402b49cacbe98c9a9bff340ed5263d3ec0b1de057677e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7518",
    "kind": "arxiv",
    "version": 1
  }
}