Pith Number

pith:TLZ6U4QZ

pith:2017:TLZ6U4QZHZ4TDNNQNHKL444TF5

not attested not anchored not stored refs pending

Two-Dimensional Pattern Languages

Henning Fernau, K. G. Subramanian, Markus L. Schmid

arxiv:1707.04083 v1 · 2017-07-13 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLZ6U4QZHZ4TDNNQNHKL444TF5}

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	2026-05-18T00:40:22.688731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af3ea72193e7931b5b069d4be73932f712945055b8e9ee984f38775e99594b2

Aliases

arxiv: 1707.04083 · arxiv_version: 1707.04083v1 · doi: 10.48550/arxiv.1707.04083 · pith_short_12: TLZ6U4QZHZ4T · pith_short_16: TLZ6U4QZHZ4TDNNQ · pith_short_8: TLZ6U4QZ

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/TLZ6U4QZHZ4TDNNQNHKL444TF5 \
  | 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: 9af3ea72193e7931b5b069d4be73932f712945055b8e9ee984f38775e99594b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845cc07c1d0d06f0070be4d5a16f1ecf43af82dda9341e0fb8550bfec056baf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-07-13T12:17:56Z",
    "title_canon_sha256": "65231c290045e2507ce31ef3ff03ad767218146514808fcc76fab0428c1a8007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04083",
    "kind": "arxiv",
    "version": 1
  }
}