Pith Number

pith:2TQUDWQB

pith:2012:2TQUDWQBDIY36732WBYBJGY57B

not attested not anchored not stored refs pending

Graph-based Code Design for Quadratic-Gaussian Wyner-Ziv Problem with Arbitrary Side Information

Hsuan-Jung Su, Shih-Chun Lin, Yi-Peng Wei, Yu-Hsiu Lin

arxiv:1205.4332 v2 · 2012-05-19 · 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{2TQUDWQBDIY36732WBYBJGY57B}

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	2026-05-18T03:54:36.959098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e141da011a31bf7f7ab070149b1df851e05d0a730ebf53494e49987fd3c3cd

Aliases

arxiv: 1205.4332 · arxiv_version: 1205.4332v2 · doi: 10.48550/arxiv.1205.4332 · pith_short_12: 2TQUDWQBDIY3 · pith_short_16: 2TQUDWQBDIY36732 · pith_short_8: 2TQUDWQB

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/2TQUDWQBDIY36732WBYBJGY57B \
  | 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: d4e141da011a31bf7f7ab070149b1df851e05d0a730ebf53494e49987fd3c3cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca22f94dd8a22bb1ea020a5a032cd98fbfeb22c5e30f12b2f52975d4c0a4e6bc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-19T14:54:02Z",
    "title_canon_sha256": "7592baf0c478a9802d4642f212c9ed27c4d1a9042a9999e53f6f5ed8ed92e437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4332",
    "kind": "arxiv",
    "version": 2
  }
}