Pith Number

pith:NVI5STZA

pith:2025:NVI5STZAT5SIEWBP2N45WY6RCS

not attested not anchored not stored refs pending

Externally definable fsg groups in NIP theories

Artem Chernikov

arxiv:2506.23265 v1 · 2025-06-29 · math.LO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVI5STZAT5SIEWBP2N45WY6RCS}

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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.

Cited by

2 papers in Pith

Fractional Helly property and combinatorics of forking in NTP$_2$ theories

On n-distality, n-triviality and hypergraph regularity in NIP theories

Receipt and verification

First computed	2026-07-05T11:29:18.841039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d51d94f209f6482582fd379db63d114a42406e7e3b49b56813a1612726042d7

Aliases

arxiv: 2506.23265 · arxiv_version: 2506.23265v1 · doi: 10.48550/arxiv.2506.23265 · pith_short_12: NVI5STZAT5SI · pith_short_16: NVI5STZAT5SIEWBP · pith_short_8: NVI5STZA

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/NVI5STZAT5SIEWBP2N45WY6RCS \
  | 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: 6d51d94f209f6482582fd379db63d114a42406e7e3b49b56813a1612726042d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aad8ca1bf18f6bf11cdcce493dd1204257528f09f15ae65d6cd887ac5bbf46dc",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2025-06-29T14:38:11Z",
    "title_canon_sha256": "e4f5e2c532a244c393916a71c5fb15a99d98817e065f2838f9c50e42a6b58789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23265",
    "kind": "arxiv",
    "version": 1
  }
}