Pith Number

pith:7R4F3AJB

pith:2021:7R4F3AJB3JIFJU7C7KO45H7MF3

not attested not anchored not stored refs pending

Blockchain-based Result Verification for Computation Offloading

Benjamin K\"orbel, Marten Sigwart, Michael Sober, Philip Frauenthaler, Stefan Schulte

arxiv:2110.11090 v1 · 2021-10-21 · 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{7R4F3AJB3JIFJU7C7KO45H7MF3}

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	2026-07-05T03:24:36.271070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc785d8121da5054d3e2fa9dce9fec2edf4586313fd8ae92cb1f7f9dd7084382

Aliases

arxiv: 2110.11090 · arxiv_version: 2110.11090v1 · doi: 10.48550/arxiv.2110.11090 · pith_short_12: 7R4F3AJB3JIF · pith_short_16: 7R4F3AJB3JIFJU7C · pith_short_8: 7R4F3AJB

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/7R4F3AJB3JIFJU7C7KO45H7MF3 \
  | 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: fc785d8121da5054d3e2fa9dce9fec2edf4586313fd8ae92cb1f7f9dd7084382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c101c9a76262350e74ce03d42963daba249ece28fce8af9751a99c4827d6c9f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-10-21T12:07:12Z",
    "title_canon_sha256": "f55c7fc9b3da40bd55b0bcc578dd146c398805464eb0bd8a376de07f3fbb644e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11090",
    "kind": "arxiv",
    "version": 1
  }
}