Pith Number

pith:DNP47QJO

pith:2014:DNP47QJOK7UZILJYGGFEVKMUWB

not attested not anchored not stored refs pending

A RM-Polar Codes

Bin Li, David Tse, Hui Shen

arxiv:1407.5483 v1 · 2014-07-21 · 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{DNP47QJOK7UZILJYGGFEVKMUWB}

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	2026-05-18T02:47:13.932417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b5fcfc12e57e9942d38318a4aa994b052545ac1d11cb4009b79a457af1f2a3f

Aliases

arxiv: 1407.5483 · arxiv_version: 1407.5483v1 · doi: 10.48550/arxiv.1407.5483 · pith_short_12: DNP47QJOK7UZ · pith_short_16: DNP47QJOK7UZILJY · pith_short_8: DNP47QJO

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/DNP47QJOK7UZILJYGGFEVKMUWB \
  | 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: 1b5fcfc12e57e9942d38318a4aa994b052545ac1d11cb4009b79a457af1f2a3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1f48ab0a6600cf5aed26794d7cbe62eaf0eb7e01049501a748802827f4dad0c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-21T13:15:43Z",
    "title_canon_sha256": "40f975757c089cc8590589a5bbd30ba2a4d717ded47fcc0a9948de59c628c733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5483",
    "kind": "arxiv",
    "version": 1
  }
}