Pith Number

pith:NJNI2GAU

pith:2018:NJNI2GAUBWCGMDJAN5JBUKZGUF

not attested not anchored not stored refs pending

A Cost-based Storage Format Selector for Materialization in Big Data Frameworks

Alberto Abell\'o, Maik Thiele, Oscar Romero, Rana Faisal Munir, Wolfgang Lehner

arxiv:1806.03901 v1 · 2018-06-11 · 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{NJNI2GAUBWCGMDJAN5JBUKZGUF}

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	2026-05-18T00:13:41.616040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5a8d18140d84660d206f521a2b26a15833d0e396c5cca54e47e866e6072220

Aliases

arxiv: 1806.03901 · arxiv_version: 1806.03901v1 · doi: 10.48550/arxiv.1806.03901 · pith_short_12: NJNI2GAUBWCG · pith_short_16: NJNI2GAUBWCGMDJA · pith_short_8: NJNI2GAU

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/NJNI2GAUBWCGMDJAN5JBUKZGUF \
  | 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: 6a5a8d18140d84660d206f521a2b26a15833d0e396c5cca54e47e866e6072220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68577e53f991cc6d47e3cacac43813944708f1ffc9a0ebdf83a5a80250c9c95c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-06-11T10:58:04Z",
    "title_canon_sha256": "2818d14491043ac10d1ebb38fde4890523351226626b28ae20303d81bec3c4e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03901",
    "kind": "arxiv",
    "version": 1
  }
}