Pith Number

pith:HBFEE5O2

pith:2015:HBFEE5O2V3UTXBWDFN5ROTNVYK

not attested not anchored not stored refs pending

Fine-grained Language Composition: A Case Study

Carl Friedrich Bolz, Edd Barrett, Laurence Tratt, Lukas Diekmann

arxiv:1503.08623 v3 · 2015-03-30 · 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{HBFEE5O2V3UTXBWDFN5ROTNVYK}

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	2026-05-18T00:49:47.374219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384a4275daaee93b86c32b7b174db5c2908a2a067807b4c8ebbabd0c0a3f0040

Aliases

arxiv: 1503.08623 · arxiv_version: 1503.08623v3 · doi: 10.48550/arxiv.1503.08623 · pith_short_12: HBFEE5O2V3UT · pith_short_16: HBFEE5O2V3UTXBWD · pith_short_8: HBFEE5O2

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/HBFEE5O2V3UTXBWDFN5ROTNVYK \
  | 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: 384a4275daaee93b86c32b7b174db5c2908a2a067807b4c8ebbabd0c0a3f0040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c0800d732ee0e5c85b6aae942ac2d07e0fa1ffb4a256e8ed6c40c144604d09",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-03-30T10:10:18Z",
    "title_canon_sha256": "6c62c6a33ad820d77800193517f20a879d020cf4360eb4dd1a88f16de6272d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08623",
    "kind": "arxiv",
    "version": 3
  }
}