Pith Number

pith:SRKFU6NW

pith:2018:SRKFU6NWXJH4I2IQBUYGDLUFXF

not attested not anchored not stored refs pending

A Review on Recommendation Systems: Context-aware to Social-based

Anthony O. Smith, John Anthony Bowllan, Kailey Nobuko Cozart, S.M. Mahdi Seyednezhad

arxiv:1811.11866 v1 · 2018-11-28 · cs.IR · cs.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRKFU6NWXJH4I2IQBUYGDLUFXF}

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	2026-05-17T23:59:37.383169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94545a79b6ba4fc469100d3061ae85b970321ca9f89a8f27f16e8041f57bf0d4

Aliases

arxiv: 1811.11866 · arxiv_version: 1811.11866v1 · doi: 10.48550/arxiv.1811.11866 · pith_short_12: SRKFU6NWXJH4 · pith_short_16: SRKFU6NWXJH4I2IQ · pith_short_8: SRKFU6NW

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/SRKFU6NWXJH4I2IQBUYGDLUFXF \
  | 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: 94545a79b6ba4fc469100d3061ae85b970321ca9f89a8f27f16e8041f57bf0d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5254c09abe65078b73685da6db216afba7eaf0809cf0e7b7fb2b851bb9032306",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-28T22:36:37Z",
    "title_canon_sha256": "c1c700822c147b09991ae016fab19ba24758cd4c28656cb4ede9dd74231cad93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11866",
    "kind": "arxiv",
    "version": 1
  }
}