Pith Number

pith:3YWNRP2V

pith:2026:3YWNRP2VHSVEJPDGD4EOCWVJNW

not attested not anchored not stored refs pending

Conjectural Decidability of the Skolem Problem

Florian Luca, James Worrell, Jo\"el Ouaknine

arxiv:2607.15510 v1 · 2026-07-16 · cs.DM · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YWNRP2VHSVEJPDGD4EOCWVJNW}

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	2026-07-20T00:18:37.630672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2cd8bf553caa44bc661f08e15aa96d9325ec554536b64f8ff84e77c3edccdb

Aliases

arxiv: 2607.15510 · arxiv_version: 2607.15510v1 · doi: 10.48550/arxiv.2607.15510 · pith_short_12: 3YWNRP2VHSVE · pith_short_16: 3YWNRP2VHSVEJPDG · pith_short_8: 3YWNRP2V

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/3YWNRP2VHSVEJPDGD4EOCWVJNW \
  | 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: de2cd8bf553caa44bc661f08e15aa96d9325ec554536b64f8ff84e77c3edccdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4ce4ac18c1841420afdcd7441bcbde0ab57f0ceff93f06d58086e0b4a73776",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2026-07-16T23:45:15Z",
    "title_canon_sha256": "3dacefceade8f591c33820ed188dae34df6626ee16619ce509c1332678b1a311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15510",
    "kind": "arxiv",
    "version": 1
  }
}