pith. sign in
Pith Number

pith:2QTSZPH6

pith:2004:2QTSZPH6OFIFIZK475BIUM6CDX
not attested not anchored not stored refs pending

Source Coding With Distortion Side Information At The Encoder

Emin Martinian, Gregory W. Wornell, Ram Zamir

arxiv:cs/0408062 v1 · 2004-08-27 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2QTSZPH6OFIFIZK475BIUM6CDX}

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 2026-05-18T02:37:36.951467Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d4272cbcfe715054655cff428a33c21de84a048038e30c2a11a4be738fa7a7a8

Aliases

arxiv: cs/0408062 · arxiv_version: cs/0408062v1 · doi: 10.48550/arxiv.cs/0408062 · pith_short_12: 2QTSZPH6OFIF · pith_short_16: 2QTSZPH6OFIFIZK4 · pith_short_8: 2QTSZPH6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2QTSZPH6OFIFIZK475BIUM6CDX \
  | 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: d4272cbcfe715054655cff428a33c21de84a048038e30c2a11a4be738fa7a7a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "87bbad9f72cc7bf4625a15e8a4f75166989481e40399176cd527b7d12d1b6682",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2004-08-27T14:25:13Z",
    "title_canon_sha256": "8268e70f3bd9a3f8f9992c8d0c81d63c7eafe6b31686bcce09f3ad82f4c10faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0408062",
    "kind": "arxiv",
    "version": 1
  }
}