pith. sign in
Pith Number

pith:5XVOEMH2

pith:2011:5XVOEMH2V32XW2MBLTKTM7UZOX
not attested not anchored not stored refs pending

Optimal Merging Algorithms for Lossless Codes with Generalized Criteria

Charalambos D. Charalambous, Farzad Rezaei, Themistoklis Charalambous

arxiv:1112.1715 v2 · 2011-12-07 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5XVOEMH2V32XW2MBLTKTM7UZOX}

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 2026-05-18T03:48:35.813663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

edeae230faaef57b69815cd5367e9975cea2a18cd9802b5aa52127b2f7e6471e

Aliases

arxiv: 1112.1715 · arxiv_version: 1112.1715v2 · doi: 10.48550/arxiv.1112.1715 · pith_short_12: 5XVOEMH2V32X · pith_short_16: 5XVOEMH2V32XW2MB · pith_short_8: 5XVOEMH2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5XVOEMH2V32XW2MBLTKTM7UZOX \
  | 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: edeae230faaef57b69815cd5367e9975cea2a18cd9802b5aa52127b2f7e6471e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d8176534bf40b70e69fd29a57e3e71b49a004d9070dc388c189a83887dcf96d3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-07T22:08:01Z",
    "title_canon_sha256": "139ef5ccb6eab675278bc964ed7cc12d8890711cbcbaf1774221fe219f19b22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1715",
    "kind": "arxiv",
    "version": 2
  }
}