Pith Number

pith:PPKCUUSA

pith:2015:PPKCUUSAI33QIANFPYDPI5R6LD

not attested not anchored not stored refs pending

InstaCluster: Building A Big Data Cluster in Minutes

Giovanni Paolo Gibilisco, Srdan Krstic

arxiv:1508.04973 v1 · 2015-08-20 · 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{PPKCUUSAI33QIANFPYDPI5R6LD}

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	2026-05-18T01:35:00.107923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd42a524046f70401a57e06f4763e58f061ab5ebdcaa71e25b3184e7d7e83c6

Aliases

arxiv: 1508.04973 · arxiv_version: 1508.04973v1 · doi: 10.48550/arxiv.1508.04973 · pith_short_12: PPKCUUSAI33Q · pith_short_16: PPKCUUSAI33QIANF · pith_short_8: PPKCUUSA

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/PPKCUUSAI33QIANFPYDPI5R6LD \
  | 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: 7bd42a524046f70401a57e06f4763e58f061ab5ebdcaa71e25b3184e7d7e83c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e271e04f0859826533d6e782e6f4c5e11f46997a8df98b2aeb71444be64b01b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-08-20T13:09:56Z",
    "title_canon_sha256": "a1d41d1599461ddb3de2de3b7e69bb3c6688825e4c183414053957b93d94afb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04973",
    "kind": "arxiv",
    "version": 1
  }
}