Pith Number

pith:67H6ETCM

pith:2021:67H6ETCMREPG2K3PUSVZXG66GE

not attested not anchored not stored refs pending

Computation Resource Allocation Solution in Recommender Systems

Cheng Chen, Chuan Yu, Jian Xu, Qing Tan, Xiaoqiang Zhu, Xun Yang, Yunli Wang

arxiv:2103.02259 v1 · 2021-03-03 · eess.SY · cs.IR · cs.LG · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67H6ETCMREPG2K3PUSVZXG66GE}

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	2026-07-05T02:20:02.475994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7cfe24c4c891e6d2b6fa4ab9b9bde3135a7f35740687ec644c57ef1ac1c58a4

Aliases

arxiv: 2103.02259 · arxiv_version: 2103.02259v1 · doi: 10.48550/arxiv.2103.02259 · pith_short_12: 67H6ETCMREPG · pith_short_16: 67H6ETCMREPG2K3P · pith_short_8: 67H6ETCM

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/67H6ETCMREPG2K3PUSVZXG66GE \
  | 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: f7cfe24c4c891e6d2b6fa4ab9b9bde3135a7f35740687ec644c57ef1ac1c58a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "255abc9863d0412d1df7a801556d59e8b5b5ff7b0140726ada2075183a9bcaa6",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-03-03T08:41:43Z",
    "title_canon_sha256": "f5f6906bde539d72e5835b69ac548b469ac2f39b1b6a003851c86c751cbc1385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02259",
    "kind": "arxiv",
    "version": 1
  }
}