Pith Number

pith:UJ3AQDYJ

pith:2015:UJ3AQDYJ33XPKX4HRHCFI3SPS4

not attested not anchored not stored refs pending

Optimization of Unequal Error Protection Rateless Codes for Multimedia Multicasting

Steven D. Blostein, Wai-Yip Chan, Yu Cao

arxiv:1501.02307 v1 · 2015-01-10 · cs.IT · cs.MM · 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{UJ3AQDYJ33XPKX4HRHCFI3SPS4}

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	2026-05-18T02:29:38.284945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a276080f09deeef55f8789c4546e4f97335093c648e408a80d1e8446b91417bd

Aliases

arxiv: 1501.02307 · arxiv_version: 1501.02307v1 · doi: 10.48550/arxiv.1501.02307 · pith_short_12: UJ3AQDYJ33XP · pith_short_16: UJ3AQDYJ33XPKX4H · pith_short_8: UJ3AQDYJ

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/UJ3AQDYJ33XPKX4HRHCFI3SPS4 \
  | 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: a276080f09deeef55f8789c4546e4f97335093c648e408a80d1e8446b91417bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e977a6c8c1e15d3bba3a7597869c982b1ba481c8b151b2d0e553a1d95c355b47",
    "cross_cats_sorted": [
      "cs.MM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-10T03:29:51Z",
    "title_canon_sha256": "0bc771a5fbb8271420ad65b763ffcdaa72e1f04d329307ec42e34eaf88093046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02307",
    "kind": "arxiv",
    "version": 1
  }
}