Pith Number

pith:GSZGBWFT

pith:2026:GSZGBWFTO3SERYSNDMUZH65NM2

not attested not anchored not stored refs pending

Idefix-Free Languages and Their Application in External Contextual Grammars

Bianca Truthe (Universit\"at Giessen), Marvin K\"odding (PH Heidelberg)

arxiv:2606.26682 v1 · 2026-06-25 · 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{GSZGBWFTO3SERYSNDMUZH65NM2}

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	2026-06-26T01:15:56.711716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b260d8b376e448e24d1b2993fbad6682863e57649be148ea61d64089aaf7eb

Aliases

arxiv: 2606.26682 · arxiv_version: 2606.26682v1 · doi: 10.48550/arxiv.2606.26682 · pith_short_12: GSZGBWFTO3SE · pith_short_16: GSZGBWFTO3SERYSN · pith_short_8: GSZGBWFT

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/GSZGBWFTO3SERYSNDMUZH65NM2 \
  | 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: 34b260d8b376e448e24d1b2993fbad6682863e57649be148ea61d64089aaf7eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35d85abc479f960e57efdf43ef72886e1b4ffabce12039768fe8fd62e59978fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2026-06-25T07:13:50Z",
    "title_canon_sha256": "d4c9cfd46fd2fa42c3884a5719d7217e6f789b953520f985e9ccdb7cc8af3483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26682",
    "kind": "arxiv",
    "version": 1
  }
}