Pith Number

pith:PHSUMBTN

pith:2014:PHSUMBTNQWBPJAIYKMW3R6YM7M

not attested not anchored not stored refs pending

Optimized Composition: Generating Efficient Code for Heterogeneous Systems from Multi-Variant Components, Skeletons and Containers

Christoph Kessler, Lu Li, Usman Dastgeer

arxiv:1405.2915 v1 · 2014-05-12 · 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{PHSUMBTNQWBPJAIYKMW3R6YM7M}

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	2026-05-18T02:51:58.180709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e546066d8582f48118532db8fb0cfb39436d7338b9e10f066f154faa71df5c

Aliases

arxiv: 1405.2915 · arxiv_version: 1405.2915v1 · doi: 10.48550/arxiv.1405.2915 · pith_short_12: PHSUMBTNQWBP · pith_short_16: PHSUMBTNQWBPJAIY · pith_short_8: PHSUMBTN

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/PHSUMBTNQWBPJAIYKMW3R6YM7M \
  | 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: 79e546066d8582f48118532db8fb0cfb39436d7338b9e10f066f154faa71df5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3318a7a0a78392749a08030e199bb45d53d9f51d54d3a12e87fa3fc8efa7aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-05-12T16:42:26Z",
    "title_canon_sha256": "aaab8a12850b052e717d4e195227ba8f975d7d0131520fe3c4cb0c18ba7299fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2915",
    "kind": "arxiv",
    "version": 1
  }
}