Pith Number

pith:5EDA42TU

pith:2018:5EDA42TUNHDFXQLL3MBFCTNPXY

not attested not anchored not stored refs pending

Every Data Structure Deserves Lock-Free Memory Reclamation

Nachshon Cohen

arxiv:1808.06348 v1 · 2018-08-20 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EDA42TUNHDFXQLL3MBFCTNPXY}

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	2026-05-18T00:07:45.247657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9060e6a7469c65bc16bdb02514dafbe10d6bcc1d0e840056a05d713b78a0eb6

Aliases

arxiv: 1808.06348 · arxiv_version: 1808.06348v1 · doi: 10.48550/arxiv.1808.06348 · pith_short_12: 5EDA42TUNHDF · pith_short_16: 5EDA42TUNHDFXQLL · pith_short_8: 5EDA42TU

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/5EDA42TUNHDFXQLL3MBFCTNPXY \
  | 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: e9060e6a7469c65bc16bdb02514dafbe10d6bcc1d0e840056a05d713b78a0eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40a95673787514704923d51aa92a28fc544ce40009365ab55b4fe92c59688e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-08-20T08:48:48Z",
    "title_canon_sha256": "3fd165023b4e28b788df81c04c75af00c0c0743e32afb1ced01dbaea9d4135d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06348",
    "kind": "arxiv",
    "version": 1
  }
}