Pith Number

pith:77H5Q6FV

pith:2018:77H5Q6FVVV23JH5BNL5ZDTPVQK

not attested not anchored not stored refs pending

Distributed Collaborative Hashing and Its Applications in Ant Financial

Chaochao Chen, Jun Zhou, Longfei Li, Peilin Zhao, Xiaolong Li, Ziqi Liu

arxiv:1804.04918 v3 · 2018-04-13 · cs.LG · cs.IR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77H5Q6FVVV23JH5BNL5ZDTPVQK}

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	2026-05-18T00:14:33.841711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffcfd878b5ad75b49fa16afb91cdf582b72ae4a9335459c2b0be855f16cb96bf

Aliases

arxiv: 1804.04918 · arxiv_version: 1804.04918v3 · doi: 10.48550/arxiv.1804.04918 · pith_short_12: 77H5Q6FVVV23 · pith_short_16: 77H5Q6FVVV23JH5B · pith_short_8: 77H5Q6FV

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/77H5Q6FVVV23JH5BNL5ZDTPVQK \
  | 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: ffcfd878b5ad75b49fa16afb91cdf582b72ae4a9335459c2b0be855f16cb96bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953bb6c083a7b54ee737c9210a26c212a59b07e72a9f7a23f9670b16dbae8ea5",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-04-13T12:37:51Z",
    "title_canon_sha256": "07ebb2d19984b90ed0844c4fd0842504989df99cb17acdd3f52d2ce04177674d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04918",
    "kind": "arxiv",
    "version": 3
  }
}