Pith Number

pith:DYHFQZME

pith:2018:DYHFQZMECYIGXYI3JBWPJWWQRG

not attested not anchored not stored refs pending

Josephine: Using JavaScript to safely manage the lifetimes of Rust data

Alan Jeffrey

arxiv:1807.00067 v1 · 2018-06-29 · 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{DYHFQZMECYIGXYI3JBWPJWWQRG}

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	2026-05-18T00:11:56.223868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0e58658416106be11b486cf4dad08990b88ab4d99208623023270a3e090c22

Aliases

arxiv: 1807.00067 · arxiv_version: 1807.00067v1 · doi: 10.48550/arxiv.1807.00067 · pith_short_12: DYHFQZMECYIG · pith_short_16: DYHFQZMECYIGXYI3 · pith_short_8: DYHFQZME

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/DYHFQZMECYIGXYI3JBWPJWWQRG \
  | 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: 1e0e58658416106be11b486cf4dad08990b88ab4d99208623023270a3e090c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b28fb873582eb6d9503f85273ffc9123a5f472268e892f6fd4e72cbcbc006a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-06-29T20:59:55Z",
    "title_canon_sha256": "0913f9e7feb846dc88394d93c1941196a6c5e65818a3aa0cff06bf8e53bfbc97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00067",
    "kind": "arxiv",
    "version": 1
  }
}