Pith Number

pith:GOBRMJZQ

pith:2020:GOBRMJZQYZU6LQAZQRTXEYBITZ

not attested not anchored not stored refs pending

OptChain: Optimal Transactions Placement for Scalable Blockchain Sharding

Lan N. Nguyen, My T. Thai, Thang N. Dinh, Truc Nguyen

arxiv:2007.08596 v2 · 2020-07-16 · cs.CR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GOBRMJZQYZU6LQAZQRTXEYBITZ}

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	2026-07-05T03:23:04.981623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3383162730c669e5c01984677260289e4efd252985ac585e1d9633fdee1b97f5

Aliases

arxiv: 2007.08596 · arxiv_version: 2007.08596v2 · doi: 10.48550/arxiv.2007.08596 · pith_short_12: GOBRMJZQYZU6 · pith_short_16: GOBRMJZQYZU6LQAZ · pith_short_8: GOBRMJZQ

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/GOBRMJZQYZU6LQAZQRTXEYBITZ \
  | 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: 3383162730c669e5c01984677260289e4efd252985ac585e1d9633fdee1b97f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be7468904b1e7a007abcaeeb80f7e1223a6ec2c202a237bbe358bb844e1b4b3",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-07-16T19:54:51Z",
    "title_canon_sha256": "1126bf5661ef2c6fb2579b3b8140b58ee150abb11180bf223fa57a53406578db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08596",
    "kind": "arxiv",
    "version": 2
  }
}