Pith Number

pith:MACX45BV

pith:2020:MACX45BVZURXDBLM2IU6SGONFW

not attested not anchored not stored refs pending

A Deep Recurrent Survival Model for Unbiased Ranking

Guorui Zhou, Jian Xu, Jiarui Jin, Jun Wang, Kan Ren, Kun Gai, Weinan Zhang, Xiaoqiang Zhu, Yong Yu, Yuchen Fang

arxiv:2004.14714 v2 · 2020-04-30 · 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{MACX45BVZURXDBLM2IU6SGONFW}

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	2026-07-05T01:05:49.665293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60057e7435cd2371856cd229e919cd2da7f5e8e9cfa0c51affddcbf215db8a48

Aliases

arxiv: 2004.14714 · arxiv_version: 2004.14714v2 · doi: 10.48550/arxiv.2004.14714 · pith_short_12: MACX45BVZURX · pith_short_16: MACX45BVZURXDBLM · pith_short_8: MACX45BV

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/MACX45BVZURXDBLM2IU6SGONFW \
  | 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: 60057e7435cd2371856cd229e919cd2da7f5e8e9cfa0c51affddcbf215db8a48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f90e9ccf31479bc822ca3e8bf35511483ee4d5b0be62347ff52fde162d09a9b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-04-30T12:07:52Z",
    "title_canon_sha256": "a2e29d136ff256477c929b9cb05692bf9e653bd4ad3c2c042365d79e72af7ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14714",
    "kind": "arxiv",
    "version": 2
  }
}