Pith Number

pith:LJTQWTLX

pith:2026:LJTQWTLXCPWC4KCS2VIW3ZGLFT

not attested not anchored not stored refs pending

Uniform Lyndon Interpolation via Non-wellfounded Proofs

Borja Sierra Miranda (University of Bern), Thomas Studer (University of Bern)

arxiv:2606.31890 v1 · 2026-06-30 · 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{LJTQWTLXCPWC4KCS2VIW3ZGLFT}

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	2026-07-01T01:18:18.547482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a670b4d7713ec2e2852d5516de4cb2cde84d2522b24a28472967eee2429375c

Aliases

arxiv: 2606.31890 · arxiv_version: 2606.31890v1 · doi: 10.48550/arxiv.2606.31890 · pith_short_12: LJTQWTLXCPWC · pith_short_16: LJTQWTLXCPWC4KCS · pith_short_8: LJTQWTLX

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/LJTQWTLXCPWC4KCS2VIW3ZGLFT \
  | 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: 5a670b4d7713ec2e2852d5516de4cb2cde84d2522b24a28472967eee2429375c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc7d86bad7837de0b50b0efb6b19ed22f96af73009de7750aab52cbb5df39efc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-30T16:01:42Z",
    "title_canon_sha256": "687c9852ef75a60b3139c21af599e2c997ddc1f635244a2cbd2de40a8907e282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31890",
    "kind": "arxiv",
    "version": 1
  }
}