pith. sign in
Pith Number

pith:DYJZ5M4B

pith:2017:DYJZ5M4BKFMM7WN4HBRHQ7VXWE
not attested not anchored not stored refs pending

Fundamental Limits of Universal Variable-to-Fixed Length Coding of Parametric Sources

Nematollah Iri, Oliver Kosut

arxiv:1706.07582 v2 · 2017-06-23 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DYJZ5M4BKFMM7WN4HBRHQ7VXWE}

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 2026-05-18T00:39:06.391756Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1e139eb3815158cfd9bc3862787eb7b11a82ca3fa2d28f8a13dde191a09c339a

Aliases

arxiv: 1706.07582 · arxiv_version: 1706.07582v2 · doi: 10.48550/arxiv.1706.07582 · pith_short_12: DYJZ5M4BKFMM · pith_short_16: DYJZ5M4BKFMM7WN4 · pith_short_8: DYJZ5M4B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DYJZ5M4BKFMM7WN4HBRHQ7VXWE \
  | 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: 1e139eb3815158cfd9bc3862787eb7b11a82ca3fa2d28f8a13dde191a09c339a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e82d3e3cc9c6f88eedd274f8b5eaa7d79e27bffa6b72506eb4a56aec0f0e9a43",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-23T06:48:35Z",
    "title_canon_sha256": "efba0f850bce2d6ae7153fd216ae1321feed6c48fa570e7d62a5a2abda8fef3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07582",
    "kind": "arxiv",
    "version": 2
  }
}