Pith Number

pith:URIPMX5O

pith:2017:URIPMX5O7W7GSGRGC6VCZUHTB3

not attested not anchored not stored refs pending

An Improved SCFlip Decoder for Polar Codes

David Declercq, Ludovic Chandesris, Valentin Savin

arxiv:1701.04736 v1 · 2017-01-17 · 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{URIPMX5O7W7GSGRGC6VCZUHTB3}

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	2026-05-18T00:52:42.778882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a450f65faefdbe691a2617aa2cd0f30ed74c0d346152184d1b572e24cf92e06b

Aliases

arxiv: 1701.04736 · arxiv_version: 1701.04736v1 · doi: 10.48550/arxiv.1701.04736 · pith_short_12: URIPMX5O7W7G · pith_short_16: URIPMX5O7W7GSGRG · pith_short_8: URIPMX5O

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/URIPMX5O7W7GSGRGC6VCZUHTB3 \
  | 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: a450f65faefdbe691a2617aa2cd0f30ed74c0d346152184d1b572e24cf92e06b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a00bffb6ea6b5bbac066cb55a570b97e8d5574c359c2b1d14db0509a703bb4ac",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-17T15:49:55Z",
    "title_canon_sha256": "f29cb7355ea8df82e30198fc6df81e16f97bd846512a6b3e16133fedd28340c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04736",
    "kind": "arxiv",
    "version": 1
  }
}