Pith Number

pith:2O6NW5IR

pith:2025:2O6NW5IRHQLBCRLM2DWXWIF7OM

not attested not anchored not stored refs pending

Hyperbolic Contrastive Learning with Model-augmentation for Knowledge-aware Recommendation

Chen Ma, Shengyin Sun

arxiv:2505.08157 v1 · 2025-05-13 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O6NW5IRHQLBCRLM2DWXWIF7OM}

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	2026-07-05T11:02:25.632485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3bcdb75113c1611456cd0ed7b20bf73341fdd888c136fe94791ca33369d36c5

Aliases

arxiv: 2505.08157 · arxiv_version: 2505.08157v1 · doi: 10.48550/arxiv.2505.08157 · pith_short_12: 2O6NW5IRHQLB · pith_short_16: 2O6NW5IRHQLBCRLM · pith_short_8: 2O6NW5IR

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/2O6NW5IRHQLBCRLM2DWXWIF7OM \
  | 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: d3bcdb75113c1611456cd0ed7b20bf73341fdd888c136fe94791ca33369d36c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "118821d88451498aa12e103d22baf64541524946a21e177d51637e1eb2f902cf",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-13T01:30:27Z",
    "title_canon_sha256": "71094335dcc38e23716aca36a52f8204bb881526c07b26d2a7bc8f89c4f6f5e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08157",
    "kind": "arxiv",
    "version": 1
  }
}