Pith Number

pith:BGRI2NI6

pith:2018:BGRI2NI6GLQOCB6IVWHGV46HW7

not attested not anchored not stored refs pending

Distributed Data Vending on Blockchain

Fengyi Tang, He Zhu, Jiayu Zhou, Ning Nan, Ziheng Zhou

arxiv:1803.05871 v2 · 2018-03-15 · cs.CR · 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{BGRI2NI6GLQOCB6IVWHGV46HW7}

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	2026-05-18T00:20:51.469562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a28d351e32e0e107c8ad8e6af3c7b7e6c3eb021091657ecb4126c8036e51c4

Aliases

arxiv: 1803.05871 · arxiv_version: 1803.05871v2 · doi: 10.48550/arxiv.1803.05871 · pith_short_12: BGRI2NI6GLQO · pith_short_16: BGRI2NI6GLQOCB6I · pith_short_8: BGRI2NI6

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/BGRI2NI6GLQOCB6IVWHGV46HW7 \
  | 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: 09a28d351e32e0e107c8ad8e6af3c7b7e6c3eb021091657ecb4126c8036e51c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4166ad259383a8a72639cfe249a815c1875b9e897be2a736534e6c608757dc8d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-03-15T17:10:16Z",
    "title_canon_sha256": "993ca9831f7276aec40db2988e02bfe7ae36e16d99fe7e8442a0f37b2f728cdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05871",
    "kind": "arxiv",
    "version": 2
  }
}