Pith Number

pith:7C3HCBP6

pith:2015:7C3HCBP6FU4HCIFCMAXYATDQLJ

not attested not anchored not stored refs pending

Medusa: An Efficient Cloud Fault-Tolerant MapReduce

Fernando M.V. Ramos, Miguel Correia, Pedro A.R.S. Costa, Xiao Bai

arxiv:1511.07185 v1 · 2015-11-23 · 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{7C3HCBP6FU4HCIFCMAXYATDQLJ}

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	2026-05-18T01:26:12.012727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8b67105fe2d387120a2602f804c705a551aff55a9b2157ff81f8a4a688c74fc

Aliases

arxiv: 1511.07185 · arxiv_version: 1511.07185v1 · doi: 10.48550/arxiv.1511.07185 · pith_short_12: 7C3HCBP6FU4H · pith_short_16: 7C3HCBP6FU4HCIFC · pith_short_8: 7C3HCBP6

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/7C3HCBP6FU4HCIFCMAXYATDQLJ \
  | 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: f8b67105fe2d387120a2602f804c705a551aff55a9b2157ff81f8a4a688c74fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45e617714bda9cc6926c9c8002a4ea02364761b607ef1619410a51ed8a69290",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-11-23T12:02:43Z",
    "title_canon_sha256": "1f3b4fea04e1069d9185d817996de1cbbd8fb2aaac4b1477dd42de0be4c684cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07185",
    "kind": "arxiv",
    "version": 1
  }
}