Pith Number

pith:7QOIJCJ3

pith:2019:7QOIJCJ3ZXKEX5WWWSZFZE375C

not attested not anchored not stored refs pending

Soft Q Network

Jingbin Liu, Shuai Liu, Xinyang Gu

arxiv:1912.10891 v2 · 2019-12-20 · cs.LG · 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{7QOIJCJ3ZXKEX5WWWSZFZE375C}

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	2026-07-05T01:59:10.582236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1c84893bcdd44bf6d6b4b25c937fe8b6c46e8af734c3252501007e06c3bca5

Aliases

arxiv: 1912.10891 · arxiv_version: 1912.10891v2 · doi: 10.48550/arxiv.1912.10891 · pith_short_12: 7QOIJCJ3ZXKE · pith_short_16: 7QOIJCJ3ZXKEX5WW · pith_short_8: 7QOIJCJ3

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/7QOIJCJ3ZXKEX5WWWSZFZE375C \
  | 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: fc1c84893bcdd44bf6d6b4b25c937fe8b6c46e8af734c3252501007e06c3bca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4eb00b2fda2f29454a87a9c082cb818eee985feea0f16d6552eb88af5bc2364",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-20T01:55:40Z",
    "title_canon_sha256": "e0fd54d0185bee039382ede96bbb23ce9a56e8f419ca2c66c1f025a33e1a9521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10891",
    "kind": "arxiv",
    "version": 2
  }
}