Pith Number

pith:VKWO2QSA

pith:2015:VKWO2QSARTY2FJDJNQ3BORBCE3

not attested not anchored not stored refs pending

Iterative detection and decoding for SCMA systems with LDPC codes

Baicen Xiao, Bin Xia, Hui Liu, Kexin Xiao, Shutian Zhang, Zhiyong Chen

arxiv:1508.00680 v1 · 2015-08-04 · 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{VKWO2QSARTY2FJDJNQ3BORBCE3}

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	2026-05-18T01:35:53.696641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaaced42408cf1a2a4696c3617442226c31b5ee635ad4aec7840ea0a39ae392f

Aliases

arxiv: 1508.00680 · arxiv_version: 1508.00680v1 · doi: 10.48550/arxiv.1508.00680 · pith_short_12: VKWO2QSARTY2 · pith_short_16: VKWO2QSARTY2FJDJ · pith_short_8: VKWO2QSA

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/VKWO2QSARTY2FJDJNQ3BORBCE3 \
  | 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: aaaced42408cf1a2a4696c3617442226c31b5ee635ad4aec7840ea0a39ae392f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb1175c9ccdea2f24a21c02f3d6181bc15936392d3f99b5d9aed51ace494ef4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-04T07:03:05Z",
    "title_canon_sha256": "4525ee48aaf93a61885e47bc5be76f688a9fcac54a02c29771b55b3896cf0daf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00680",
    "kind": "arxiv",
    "version": 1
  }
}