Pith Number

pith:N6EJXYEY

pith:2015:N6EJXYEYCW3KQADFCITW3U6454

not attested not anchored not stored refs pending

Chains of saturated models in AECs

Sebastien Vasey, Will Boney

arxiv:1503.08781 v4 · 2015-03-30 · math.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{N6EJXYEYCW3KQADFCITW3U6454}

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	2026-05-18T00:46:32.217876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f889be09815b6a8006512276dd3dcef3ee0db62ee4daf23838193bdc78531b2

Aliases

arxiv: 1503.08781 · arxiv_version: 1503.08781v4 · doi: 10.48550/arxiv.1503.08781 · pith_short_12: N6EJXYEYCW3K · pith_short_16: N6EJXYEYCW3KQADF · pith_short_8: N6EJXYEY

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/N6EJXYEYCW3KQADFCITW3U6454 \
  | 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: 6f889be09815b6a8006512276dd3dcef3ee0db62ee4daf23838193bdc78531b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ff6ba5732f7fb0afb206ec0e81141212d2cb84626b00b0a1faaa9236b91ebd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-30T18:34:55Z",
    "title_canon_sha256": "bdc01b115d59b7397da0105c127a6ff9c01cda992c1f31f0fc834ced04391d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08781",
    "kind": "arxiv",
    "version": 4
  }
}