Pith Number

pith:TAVSMBIU

pith:2021:TAVSMBIU2M54ONGH3M5XCQONCT

not attested not anchored not stored refs pending

Knowledge-Enhanced Top-K Recommendation in Poincar\'e Ball

Chen Ma, Haolun Wu, Liheng Ma, Mark Coates, Xue Liu, Yingxue Zhang

arxiv:2101.04852 v2 · 2021-01-13 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAVSMBIU2M54ONGH3M5XCQONCT}

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	2026-07-05T02:10:49.160456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

982b260514d33bc734c7db3b7141cd14eeed6f057e8879255878a376b7230c06

Aliases

arxiv: 2101.04852 · arxiv_version: 2101.04852v2 · doi: 10.48550/arxiv.2101.04852 · pith_short_12: TAVSMBIU2M54 · pith_short_16: TAVSMBIU2M54ONGH · pith_short_8: TAVSMBIU

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/TAVSMBIU2M54ONGH3M5XCQONCT \
  | 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: 982b260514d33bc734c7db3b7141cd14eeed6f057e8879255878a376b7230c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215135a55998d10d582749dcdcd5405c16df0d57557346510e84d0176fcb58e3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-01-13T03:16:50Z",
    "title_canon_sha256": "c95817a83ef4b1b3d6abea573635447f5d34bf961d2d0e38a0ebc551139218be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04852",
    "kind": "arxiv",
    "version": 2
  }
}