Pith Number

pith:BQRVEFIA

pith:2013:BQRVEFIAYUQ4YCHYADUNLTWLA7

not attested not anchored not stored refs pending

Limit Models in Metric Abstract Elementary Classes: the Categorical case

Andr\'es Villaveces, Pedro Zambrano

arxiv:1304.6797 v2 · 2013-04-25 · 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{BQRVEFIAYUQ4YCHYADUNLTWLA7}

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	2026-05-18T02:19:06.363910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c23521500c521cc08f800e8d5cecb07e489b180a5b98a8547d0d0df5305d98a

Aliases

arxiv: 1304.6797 · arxiv_version: 1304.6797v2 · doi: 10.48550/arxiv.1304.6797 · pith_short_12: BQRVEFIAYUQ4 · pith_short_16: BQRVEFIAYUQ4YCHY · pith_short_8: BQRVEFIA

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/BQRVEFIAYUQ4YCHYADUNLTWLA7 \
  | 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: 0c23521500c521cc08f800e8d5cecb07e489b180a5b98a8547d0d0df5305d98a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d74fbeb20a0c1d20d0b51594338fe565ace614427ab1afea71a670244ab42cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-25T04:38:47Z",
    "title_canon_sha256": "a837c235eb86d89f9d6dae38b6e88c4461cffaeb958c4d2718d68d8ea2244e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6797",
    "kind": "arxiv",
    "version": 2
  }
}