Pith Number

pith:A6UF7K3C

pith:2013:A6UF7K3CFBRFPFUCCKUJMKSJVP

not attested not anchored not stored refs pending

SOFA: An Extensible Logical Optimizer for UDF-heavy Dataflows

Arvid Heise, Astrid Rheinl\"ander, Fabian Hueske, Felix Naumann, Ulf Leser

arxiv:1311.6335 v1 · 2013-11-25 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6UF7K3CFBRFPFUCCKUJMKSJVP}

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	2026-05-18T03:06:14.336221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07a85fab62286257968212a8962a49abe468f25912366f2966f3be972e9285eb

Aliases

arxiv: 1311.6335 · arxiv_version: 1311.6335v1 · doi: 10.48550/arxiv.1311.6335 · pith_short_12: A6UF7K3CFBRF · pith_short_16: A6UF7K3CFBRFPFUC · pith_short_8: A6UF7K3C

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/A6UF7K3CFBRFPFUCCKUJMKSJVP \
  | 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: 07a85fab62286257968212a8962a49abe468f25912366f2966f3be972e9285eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375781e1e9d6f98cabffe9e25260f3dd91600fe76751f7febe72a7f00a03c9ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2013-11-25T15:26:49Z",
    "title_canon_sha256": "b526ef1b81d64ddb80968ac1212f00dc10bafb3f139cbc2d4f930e54f9bfa072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6335",
    "kind": "arxiv",
    "version": 1
  }
}