Pith Number

pith:MUOBKQJG

pith:2017:MUOBKQJGVIWLHTGADNZYO2UJPI

not attested not anchored not stored refs pending

Towards a Recommender System for Undergraduate Research

Denis Parra, Erick Svec, Felipe del-Rio, Jovan Kuzmicic

arxiv:1706.06701 v1 · 2017-06-20 · cs.IR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUOBKQJGVIWLHTGADNZYO2UJPI}

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	2026-05-18T00:41:57.098268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

651c154126aa2cb3ccc01b73876a897a2d9d4ba3fb39373c739e7f097884e498

Aliases

arxiv: 1706.06701 · arxiv_version: 1706.06701v1 · doi: 10.48550/arxiv.1706.06701 · pith_short_12: MUOBKQJGVIWL · pith_short_16: MUOBKQJGVIWLHTGA · pith_short_8: MUOBKQJG

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/MUOBKQJGVIWLHTGADNZYO2UJPI \
  | 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: 651c154126aa2cb3ccc01b73876a897a2d9d4ba3fb39373c739e7f097884e498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d667772b0ac8d0b954b4054f2dbc0ffc5b06ff7452e3cc49fc0264a8e9f7f9db",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-06-20T23:17:16Z",
    "title_canon_sha256": "3dc4acbbe8d19571a81bbc17ed000266d7655571f66201e31d5f04c558b69672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06701",
    "kind": "arxiv",
    "version": 1
  }
}