Pith Number

pith:O7J6CIDH

pith:2019:O7J6CIDHWO7WS24X3V5AMD2PZB

not attested not anchored not stored refs pending

Reference Product Search

Chu Wang, Da Zhang, Lei Tang, Shujun Bian, Yongning Wu, Zuohua Zhang

arxiv:1904.05985 v1 · 2019-04-11 · stat.ML · 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{O7J6CIDHWO7WS24X3V5AMD2PZB}

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	2026-05-17T23:48:44.578713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d3e12067b3bf696b97dd7a060f4fc85ac7d8790bfe481b6b346f625178db07

Aliases

arxiv: 1904.05985 · arxiv_version: 1904.05985v1 · doi: 10.48550/arxiv.1904.05985 · pith_short_12: O7J6CIDHWO7W · pith_short_16: O7J6CIDHWO7WS24X · pith_short_8: O7J6CIDH

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/O7J6CIDHWO7WS24X3V5AMD2PZB \
  | 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: 77d3e12067b3bf696b97dd7a060f4fc85ac7d8790bfe481b6b346f625178db07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e5d1b56c0a4a674d4c9df523783b236263e2f9537f45cda10e7d0666dba890c",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-11T23:47:01Z",
    "title_canon_sha256": "aba91d8a038c4e250f80186940de21e67be779bea0c46b4bf6f9f942abe70939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05985",
    "kind": "arxiv",
    "version": 1
  }
}