Pith Number

pith:I5KFYCP2

pith:2019:I5KFYCP2M5EVRP23CUQ5IJOY4G

not attested not anchored not stored refs pending

A Simple Recommender Engine for Matching Final-Year Project Student with Supervisor

Alif Faisal Ibrahim, Mohammad Hafiz Ismail, Muhamad Arif Hashim, Tajul Rosli Razak

arxiv:1908.03475 v1 · 2019-08-08 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5KFYCP2M5EVRP23CUQ5IJOY4G}

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	2026-07-04T23:52:40.236608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47545c09fa674958bf5b1521d425d8e1b111c889ef00f701c4424a42f32ecc9c

Aliases

arxiv: 1908.03475 · arxiv_version: 1908.03475v1 · doi: 10.48550/arxiv.1908.03475 · pith_short_12: I5KFYCP2M5EV · pith_short_16: I5KFYCP2M5EVRP23 · pith_short_8: I5KFYCP2

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/I5KFYCP2M5EVRP23CUQ5IJOY4G \
  | 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: 47545c09fa674958bf5b1521d425d8e1b111c889ef00f701c4424a42f32ecc9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e348c9c1b583f4be6612db46386f66f10ecaee2063d557723087113d9c104ca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-08T08:42:03Z",
    "title_canon_sha256": "16fdf826b52655f1ed13571cf1d0ac61fde0ed092c74caa6d14cfbcbf8be3c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03475",
    "kind": "arxiv",
    "version": 1
  }
}