Pith Number

pith:FXTE52LV

pith:2015:FXTE52LVR6GCGLXFE54XCUWMJZ

not attested not anchored not stored refs pending

Dynamic Weighted Bit-Flipping Decoding Algorithms for LDPC Codes

Tofar C.-Y. Chang, Yu T. Su

arxiv:1501.02428 v4 · 2015-01-11 · 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{FXTE52LVR6GCGLXFE54XCUWMJZ}

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	2026-05-18T01:34:35.223007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2de64ee9758f8c232ee527797152cc4e769a72c441fb6995bcc33b729ccd01f9

Aliases

arxiv: 1501.02428 · arxiv_version: 1501.02428v4 · doi: 10.48550/arxiv.1501.02428 · pith_short_12: FXTE52LVR6GC · pith_short_16: FXTE52LVR6GCGLXF · pith_short_8: FXTE52LV

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/FXTE52LVR6GCGLXFE54XCUWMJZ \
  | 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: 2de64ee9758f8c232ee527797152cc4e769a72c441fb6995bcc33b729ccd01f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62953542fa93b5c6bff1070f0c4340de044f83814ccb8f5169729f9ce9645aaa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-11T07:52:04Z",
    "title_canon_sha256": "4417d114221eadf64264fa3eefc02a41030587a2fb7c1595e9b99bb2f78e406d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02428",
    "kind": "arxiv",
    "version": 4
  }
}