Pith Number

pith:7OFKRDZG

pith:2014:7OFKRDZGVOMIDJ6KP5JR4F2FRO

not attested not anchored not stored refs pending

Techniques Enabling Generator Refactoring

Bernhard Rumpe, Holger Krahn

arxiv:1409.6609 v1 · 2014-09-22 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OFKRDZGVOMIDJ6KP5JR4F2FRO}

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	2026-05-18T02:42:06.733427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb8aa88f26ab9881a7ca7f531e17458bb6907f42b41c7917f138ab0740e83b14

Aliases

arxiv: 1409.6609 · arxiv_version: 1409.6609v1 · doi: 10.48550/arxiv.1409.6609 · pith_short_12: 7OFKRDZGVOMI · pith_short_16: 7OFKRDZGVOMIDJ6K · pith_short_8: 7OFKRDZG

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/7OFKRDZGVOMIDJ6KP5JR4F2FRO \
  | 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: fb8aa88f26ab9881a7ca7f531e17458bb6907f42b41c7917f138ab0740e83b14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30b85f9a58073bbe44c8c0ea794309951dada586b77761ea4d3fcf9fb8da766b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-22T17:15:05Z",
    "title_canon_sha256": "67eda55abf791866ea364857451eb386639f98ddc89814115fff53489d27ea59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6609",
    "kind": "arxiv",
    "version": 1
  }
}