Pith Number

pith:KV7T7BD4

pith:2021:KV7T7BD43CGY6X3F45AOALSMRQ

not attested not anchored not stored refs pending

Exploiting Positional Information for Session-based Recommendation

Hongzhi Yin, Ruihong Qiu, Tong Chen, Zi Huang

arxiv:2107.00846 v2 · 2021-07-02 · 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{KV7T7BD43CGY6X3F45AOALSMRQ}

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	2026-07-05T02:56:28.737170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557f3f847cd88d8f5f65e740e02e4c8c3f4196cdc02cadbaab41c0d4b08880d8

Aliases

arxiv: 2107.00846 · arxiv_version: 2107.00846v2 · doi: 10.48550/arxiv.2107.00846 · pith_short_12: KV7T7BD43CGY · pith_short_16: KV7T7BD43CGY6X3F · pith_short_8: KV7T7BD4

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/KV7T7BD43CGY6X3F45AOALSMRQ \
  | 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: 557f3f847cd88d8f5f65e740e02e4c8c3f4196cdc02cadbaab41c0d4b08880d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8d69c8bd40bd2dc9e152130aa70685bb0c5e96f30f0d98edb7d0da0be26b0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-02T05:42:15Z",
    "title_canon_sha256": "c0ef3938e8355af6e79ee63f9580fe570a4fd503e94c69d7d9e4ae8452561acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00846",
    "kind": "arxiv",
    "version": 2
  }
}