Pith Number

pith:JB2YANJI

pith:2015:JB2YANJIJE7I5EQHFAYUT2UHNH

not attested not anchored not stored refs pending

Superstability in Tame Abstract Elementary Classes

Monica VanDieren

arxiv:1502.04144 v2 · 2015-02-13 · 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{JB2YANJIJE7I5EQHFAYUT2UHNH}

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	2026-05-18T02:26:58.523120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4875803528493e8e9207283149ea8769dca925c975cae30f7cc94f4ba31a3074

Aliases

arxiv: 1502.04144 · arxiv_version: 1502.04144v2 · doi: 10.48550/arxiv.1502.04144 · pith_short_12: JB2YANJIJE7I · pith_short_16: JB2YANJIJE7I5EQH · pith_short_8: JB2YANJI

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/JB2YANJIJE7I5EQHFAYUT2UHNH \
  | 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: 4875803528493e8e9207283149ea8769dca925c975cae30f7cc94f4ba31a3074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e291c4e922c42fa40192e1d96a57d74a49849238dfd0acf66ddb930a3c76312f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-02-13T22:36:21Z",
    "title_canon_sha256": "8c31f30a13f80af5d121d6a4005c08a33a0cf393e2b0747ff25a238e1a819bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04144",
    "kind": "arxiv",
    "version": 2
  }
}