Pith Number

pith:QBAMQETP

pith:2016:QBAMQETPNMWLH2C56VC2PEDYIA

not attested not anchored not stored refs pending

Modelling homogeneous generative meta-programming

Christian Urban, Laurence Tratt, Martin Berger

arxiv:1602.06568 v2 · 2016-02-21 · 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{QBAMQETPNMWLH2C56VC2PEDYIA}

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	2026-05-18T00:45:58.847249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8040c8126f6b2cb3e85df545a79078400cccd9c6ecde46187fff5f58f337b4b0

Aliases

arxiv: 1602.06568 · arxiv_version: 1602.06568v2 · doi: 10.48550/arxiv.1602.06568 · pith_short_12: QBAMQETPNMWL · pith_short_16: QBAMQETPNMWLH2C5 · pith_short_8: QBAMQETP

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/QBAMQETPNMWLH2C56VC2PEDYIA \
  | 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: 8040c8126f6b2cb3e85df545a79078400cccd9c6ecde46187fff5f58f337b4b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f966d5856498f4ab7038dfb24d93f61992029f93c6fb402200a813d8ba8f2149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-02-21T19:18:58Z",
    "title_canon_sha256": "1d2f842afc034336316d70fa86effb26692eb05e43e8bde6558f92c52c2596d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06568",
    "kind": "arxiv",
    "version": 2
  }
}