Pith Number

pith:FVSIVUBT

pith:2021:FVSIVUBTAGR5EQFYKEWDFFSBTJ

not attested not anchored not stored refs pending

Lifting C Semantics for Dataflow Optimization

Alexandru Calotoiu, Grzegorz Kwasniewski, Johannes De Fine Licht, Philipp Schaad, Tal Ben-Nun, Timo Schneider, Torsten Hoefler

arxiv:2112.11879 v3 · 2021-12-22 · cs.PL · cs.DC · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVSIVUBTAGR5EQFYKEWDFFSBTJ}

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	2026-07-05T04:25:51.350921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d648ad03301a3d240b8512c3296419a4214c9120f5b9fd724efdf2100b4d211

Aliases

arxiv: 2112.11879 · arxiv_version: 2112.11879v3 · doi: 10.48550/arxiv.2112.11879 · pith_short_12: FVSIVUBTAGR5 · pith_short_16: FVSIVUBTAGR5EQFY · pith_short_8: FVSIVUBT

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/FVSIVUBTAGR5EQFYKEWDFFSBTJ \
  | 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: 2d648ad03301a3d240b8512c3296419a4214c9120f5b9fd724efdf2100b4d211

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a6def61db214f3654beb42dcea5dcf712c2768fb24475cbc182a9e00ea1b4e",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-12-22T14:04:38Z",
    "title_canon_sha256": "0922454fa095e4a5c22b9b8fe1e3e28d3ad0df67daec3182b69fbe5e87fcd17f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11879",
    "kind": "arxiv",
    "version": 3
  }
}