Pith Number

pith:TTRNLNUV

pith:2019:TTRNLNUVNQBCABKCPTXM2W7OZ5

not attested not anchored not stored refs pending

Proof of Compositionality of CFT Correctness

Arne Nordmann, Peter Munk, Simon Greiner

arxiv:1907.09920 v1 · 2019-07-23 · cs.SE · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTRNLNUVNQBCABKCPTXM2W7OZ5}

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	2026-05-17T23:39:49.702287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce2d5b6956c022005427ceecd5beecf470065f119e441e4bb5c26287fe021ce

Aliases

arxiv: 1907.09920 · arxiv_version: 1907.09920v1 · doi: 10.48550/arxiv.1907.09920 · pith_short_12: TTRNLNUVNQBC · pith_short_16: TTRNLNUVNQBCABKC · pith_short_8: TTRNLNUV

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/TTRNLNUVNQBCABKCPTXM2W7OZ5 \
  | 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: 9ce2d5b6956c022005427ceecd5beecf470065f119e441e4bb5c26287fe021ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27010092857d9c1d2a9bef84e3a390381670af658a295cc98739957f7430d5c6",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-07-23T14:47:04Z",
    "title_canon_sha256": "eb96c46d94166434e6beb0d9beda350edbc06b66a41a20c4eb0cc274b9017bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09920",
    "kind": "arxiv",
    "version": 1
  }
}