Pith Number

pith:2HXSUKCV

pith:2010:2HXSUKCV7XHUSVMWBMAMLUBZM5

not attested not anchored not stored refs pending

Recovering Grammar Relationships for the Java Language Specification

Ralf L\"ammel, Vadim Zaytsev

arxiv:1008.4188 v1 · 2010-08-25 · 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{2HXSUKCV7XHUSVMWBMAMLUBZM5}

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	2026-05-18T04:17:25.064864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1ef2a2855fdcf4955960b00c5d039674b52f6356ca43a32090a3f2aa0cf7c7e

Aliases

arxiv: 1008.4188 · arxiv_version: 1008.4188v1 · doi: 10.48550/arxiv.1008.4188 · pith_short_12: 2HXSUKCV7XHU · pith_short_16: 2HXSUKCV7XHUSVMW · pith_short_8: 2HXSUKCV

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/2HXSUKCV7XHUSVMWBMAMLUBZM5 \
  | 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: d1ef2a2855fdcf4955960b00c5d039674b52f6356ca43a32090a3f2aa0cf7c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16eaccfb358f08c50ac5426e9cb902d195caff8a30f4b68f4699aeb0a8bee1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2010-08-25T02:11:12Z",
    "title_canon_sha256": "a9173362479adea71f7d07beb3efebeba818c5ad5bd0c899765600469f8e8d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4188",
    "kind": "arxiv",
    "version": 1
  }
}