Pith Number

pith:XIKWLPXJ

pith:2021:XIKWLPXJJGZWOR37CTSSDFOKRK

not attested not anchored not stored refs pending

Next-item Recommendations in Short Sessions

Shengsheng Wang, Shoujin Wang, Wenzhuo Song, Yan Wang

arxiv:2107.07453 v2 · 2021-07-15 · 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{XIKWLPXJJGZWOR37CTSSDFOKRK}

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	2026-07-05T02:59:25.052812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba1565bee949b367477f14e52195ca8abb393f231ce507276f1bef675ba4bcc3

Aliases

arxiv: 2107.07453 · arxiv_version: 2107.07453v2 · doi: 10.48550/arxiv.2107.07453 · pith_short_12: XIKWLPXJJGZW · pith_short_16: XIKWLPXJJGZWOR37 · pith_short_8: XIKWLPXJ

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/XIKWLPXJJGZWOR37CTSSDFOKRK \
  | 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: ba1565bee949b367477f14e52195ca8abb393f231ce507276f1bef675ba4bcc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2abcf876a373a68f2a481597189ac01935fe67a281cb0cc5421e0e44e83ab1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-15T16:56:33Z",
    "title_canon_sha256": "3d9efad2782c79e93c38ea0066269be8ac6426480b1c63fe1c02432d9f6b64fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07453",
    "kind": "arxiv",
    "version": 2
  }
}