Pith Number

pith:L2DTF4P5

pith:2021:L2DTF4P53PFZKOC4PPC5L3BME3

not attested not anchored not stored refs pending

Verifying and Optimizing Compact NUMA-Aware Locks on Weak Memory Models

Antonio Paolillo, Diogo Behrens, Hern\'an Ponce-de-Le\'on, Ming Fu, Rafael Chehab, Roland Meyer, Thomas Haas

arxiv:2111.15240 v2 · 2021-11-30 · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2DTF4P53PFZKOC4PPC5L3BME3}

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	2026-07-05T04:38:46.233245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8732f1fddbcb95385c7bc5d5ec2c26c5294c171b3b9036bfe5df16febdef26

Aliases

arxiv: 2111.15240 · arxiv_version: 2111.15240v2 · doi: 10.48550/arxiv.2111.15240 · pith_short_12: L2DTF4P53PFZ · pith_short_16: L2DTF4P53PFZKOC4 · pith_short_8: L2DTF4P5

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/L2DTF4P53PFZKOC4PPC5L3BME3 \
  | 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: 5e8732f1fddbcb95385c7bc5d5ec2c26c5294c171b3b9036bfe5df16febdef26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ecaaa1df1d570424b5b290cfa93a1312e55c3419fb06465eab0a42798b78f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2021-11-30T09:49:32Z",
    "title_canon_sha256": "34ddd9a6dcd6cb3c05b871530e425a8d6f6ad918c6f026954ba5054af5f5e34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15240",
    "kind": "arxiv",
    "version": 2
  }
}