Pith Number

pith:AUUVMCSJ

pith:2020:AUUVMCSJJEBKCFTAAGUSIWBDCK

not attested not anchored not stored refs pending

Towards Question-based Recommender Systems

Evangelos Kanoulas, Jie Zou, Yifan Chen

arxiv:2005.14255 v1 · 2020-05-28 · 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{AUUVMCSJJEBKCFTAAGUSIWBDCK}

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	2026-07-05T01:06:35.628236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0529560a494902a1166001a924582312a529b88e039cc2c9f839d1aa879a7e4c

Aliases

arxiv: 2005.14255 · arxiv_version: 2005.14255v1 · doi: 10.48550/arxiv.2005.14255 · pith_short_12: AUUVMCSJJEBK · pith_short_16: AUUVMCSJJEBKCFTA · pith_short_8: AUUVMCSJ

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/AUUVMCSJJEBKCFTAAGUSIWBDCK \
  | 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: 0529560a494902a1166001a924582312a529b88e039cc2c9f839d1aa879a7e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97a389d2104c98adf2d86f3b90ac2bd03f86008659f612dfdad2a9199c8dfb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-05-28T19:47:13Z",
    "title_canon_sha256": "de24bfb7d397ba6e2b1271f8278506c5de89dee24ed5af9fffef9709717e7137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.14255",
    "kind": "arxiv",
    "version": 1
  }
}