Pith Number

pith:IPVLHMJD

pith:2017:IPVLHMJD7M7NJYVKHHO3MZOW7P

not attested not anchored not stored refs pending

Convex Ramsey matrices and non-amenability of automophism groups of generic structures

Omid Etesami, Zaniar Ghadernezhad

arxiv:1711.02049 v1 · 2017-11-06 · math.LO · math.CO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPVLHMJD7M7NJYVKHHO3MZOW7P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:31:14.507081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43eab3b123fb3ed4e2aa39ddb665d6fbf13a6527f018d577ff6f3da6ffb43460

Aliases

arxiv: 1711.02049 · arxiv_version: 1711.02049v1 · doi: 10.48550/arxiv.1711.02049 · pith_short_12: IPVLHMJD7M7N · pith_short_16: IPVLHMJD7M7NJYVK · pith_short_8: IPVLHMJD

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/IPVLHMJD7M7NJYVKHHO3MZOW7P \
  | 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: 43eab3b123fb3ed4e2aa39ddb665d6fbf13a6527f018d577ff6f3da6ffb43460

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9840e82914fde83379c1aa25c637745b986d2364f2300c51992a63ef45278637",
    "cross_cats_sorted": [
      "math.CO",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-06T17:56:09Z",
    "title_canon_sha256": "28a57f28e8739532bf56c338456c0b6081bddcace79754b63a9edca170635cde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02049",
    "kind": "arxiv",
    "version": 1
  }
}