Pith Number

pith:QE4Z7DJM

pith:2017:QE4Z7DJMLIQLWT5CSBBPSDPA4G

not attested not anchored not stored refs pending

The Semantics of Transactions and Weak Memory in x86, Power, ARM, and C++

John Wickerson, Nathan Chong, Tyler Sorensen

arxiv:1710.04839 v2 · 2017-10-13 · cs.PL · 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{QE4Z7DJMLIQLWT5CSBBPSDPA4G}

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	2026-05-18T00:18:25.612346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81399f8d2c5a20bb4fa29042f90de0e191ac3b40b6dbbe8b1d7ca35803fd30db

Aliases

arxiv: 1710.04839 · arxiv_version: 1710.04839v2 · doi: 10.48550/arxiv.1710.04839 · pith_short_12: QE4Z7DJMLIQL · pith_short_16: QE4Z7DJMLIQLWT5C · pith_short_8: QE4Z7DJM

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/QE4Z7DJMLIQLWT5CSBBPSDPA4G \
  | 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: 81399f8d2c5a20bb4fa29042f90de0e191ac3b40b6dbbe8b1d7ca35803fd30db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56bb98e0cb7fa30c97d8a501fbb9757e4a51f7845cb71b5db0b1d38d5a9934b",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-10-13T08:36:16Z",
    "title_canon_sha256": "dc891ef3a69a4d50b0b1a0cd6982007d0ae01976aa707b9cb94494fbb851fbdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04839",
    "kind": "arxiv",
    "version": 2
  }
}