Pith Number

pith:4RTI4TMU

pith:2020:4RTI4TMUPXQF4JNJ7JUY2VEY2G

not attested not anchored not stored refs pending

Formalizing and Verifying Decentralized Systems with Extended Concurrent Separation Logic

Hiroyuki Sato, Yepeng Ding

arxiv:2008.08245 v1 · 2020-08-19 · cs.DC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RTI4TMUPXQF4JNJ7JUY2VEY2G}

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	2026-07-05T01:28:23.753705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4668e4d947de05e25a9fa698d5498d19c634682300b962d1341502f960ba6f3

Aliases

arxiv: 2008.08245 · arxiv_version: 2008.08245v1 · doi: 10.48550/arxiv.2008.08245 · pith_short_12: 4RTI4TMUPXQF · pith_short_16: 4RTI4TMUPXQF4JNJ · pith_short_8: 4RTI4TMU

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/4RTI4TMUPXQF4JNJ7JUY2VEY2G \
  | 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: e4668e4d947de05e25a9fa698d5498d19c634682300b962d1341502f960ba6f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa066da0cb75cde33089fe9c585aa7effffca1c20bfc45eb0977e92fa6a24b26",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-08-19T03:40:03Z",
    "title_canon_sha256": "63339a183c5cf26d17f96c2d61737e794072c538b0057156c0b0c18cdc256f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.08245",
    "kind": "arxiv",
    "version": 1
  }
}