Pith Number

pith:U4XWCTCL

pith:2012:U4XWCTCLBAS2ZGBZ5PQZD3LJQD

not attested not anchored not stored refs pending

Network Compression: Memory-Assisted Universal Coding of Sources with Correlated Parameters

Ahmad Beirami, Faramarz Fekri

arxiv:1210.2144 v1 · 2012-10-08 · 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{U4XWCTCLBAS2ZGBZ5PQZD3LJQD}

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	2026-05-18T03:43:50.976890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72f614c4b0825ac9839ebe191ed6980d08f9d0e4b3ec54e815a65a486d72908

Aliases

arxiv: 1210.2144 · arxiv_version: 1210.2144v1 · doi: 10.48550/arxiv.1210.2144 · pith_short_12: U4XWCTCLBAS2 · pith_short_16: U4XWCTCLBAS2ZGBZ · pith_short_8: U4XWCTCL

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/U4XWCTCLBAS2ZGBZ5PQZD3LJQD \
  | 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: a72f614c4b0825ac9839ebe191ed6980d08f9d0e4b3ec54e815a65a486d72908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50a98df04b60d50341aaefd083280facaddecc6fc1e4745aa7ecee5ad15ae19",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-08T04:19:50Z",
    "title_canon_sha256": "5c03a64989e4beb926e0d46a572dd32ec702900255d096f6c5a761174bd5c8ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2144",
    "kind": "arxiv",
    "version": 1
  }
}