Pith Number

pith:IT3M6ZEI

pith:2017:IT3M6ZEIDB3IW7NXK4GO6QIPS7

not attested not anchored not stored refs pending

Recommendation via matrix completion using Kolmogorov complexity

Carlos Caleiro, Guilherme Ramos, Joao Saude, Soummya Kar

arxiv:1707.06055 v1 · 2017-07-19 · cs.IR · 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{IT3M6ZEIDB3IW7NXK4GO6QIPS7}

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	2026-05-18T00:39:57.697096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f6cf648818768b7db7570cef410f97d7d5b3563214225e7fff6bfba6aa2907

Aliases

arxiv: 1707.06055 · arxiv_version: 1707.06055v1 · doi: 10.48550/arxiv.1707.06055 · pith_short_12: IT3M6ZEIDB3I · pith_short_16: IT3M6ZEIDB3IW7NX · pith_short_8: IT3M6ZEI

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/IT3M6ZEIDB3IW7NXK4GO6QIPS7 \
  | 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: 44f6cf648818768b7db7570cef410f97d7d5b3563214225e7fff6bfba6aa2907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b39e20875fd591f052dbe24c7ccb303d1f73e1fe75c49990d872d6e3dd0ec4",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-07-19T12:55:10Z",
    "title_canon_sha256": "3cccd21254a00baf9c642ad44330d287ac1cf6b52f3d49838256c1e2859bd413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06055",
    "kind": "arxiv",
    "version": 1
  }
}