Pith Number

pith:LPVCLXQY

pith:2017:LPVCLXQY43BB7V465AEQT6XYHD

not attested not anchored not stored refs pending

Performance Bounds of Concatenated Polar Coding Schemes

David Burshtein, Dina Goldin

arxiv:1710.08379 v1 · 2017-10-23 · 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{LPVCLXQY43BB7V465AEQT6XYHD}

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	2026-05-18T00:32:16.565712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bea25de18e6c21fd79ee80909faf838fbc9b3ded8dd91a31527639b7825ffaa

Aliases

arxiv: 1710.08379 · arxiv_version: 1710.08379v1 · doi: 10.48550/arxiv.1710.08379 · pith_short_12: LPVCLXQY43BB · pith_short_16: LPVCLXQY43BB7V46 · pith_short_8: LPVCLXQY

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/LPVCLXQY43BB7V465AEQT6XYHD \
  | 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: 5bea25de18e6c21fd79ee80909faf838fbc9b3ded8dd91a31527639b7825ffaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648b9682f8e5b0d992d8566f2c4e531eacedafdb764a9055d0a2cfaad1b3f922",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-23T16:52:50Z",
    "title_canon_sha256": "be653ff11bf17f7bd3e3ac329ea35f9065111fcd344f5cf558a9c0a759ed6769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08379",
    "kind": "arxiv",
    "version": 1
  }
}