Pith Number

pith:H3MGX63X

pith:2015:H3MGX63X377GEMK4TFVZKGLPNY

not attested not anchored not stored refs pending

New Lace and Arsenic: adventures in weak memory with a program logic

(2) University College, 3), (3) Microsoft Research), Jade Alglave (2, London, Matthew Parkinson (3) ((1) Middlesex University, Richard Bornat (1)

arxiv:1512.01416 v2 · 2015-12-04 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3MGX63X377GEMK4TFVZKGLPNY}

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	2026-05-18T01:00:12.616900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed86bfb77dffe62315c996b95196f6e33f196f7f3ca1c21c404a9eb26c5ad30

Aliases

arxiv: 1512.01416 · arxiv_version: 1512.01416v2 · doi: 10.48550/arxiv.1512.01416 · pith_short_12: H3MGX63X377G · pith_short_16: H3MGX63X377GEMK4 · pith_short_8: H3MGX63X

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/H3MGX63X377GEMK4TFVZKGLPNY \
  | 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: 3ed86bfb77dffe62315c996b95196f6e33f196f7f3ca1c21c404a9eb26c5ad30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d57f06a436ccb243ef2c4d83b9cca4fd52db67c1c2b3e0923081cae94a407ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-12-04T14:19:01Z",
    "title_canon_sha256": "8f6709edd951330caa098425557270071284fd10b51bd92adf8a33caf14ee929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01416",
    "kind": "arxiv",
    "version": 2
  }
}