Pith Number

pith:RTPFRXVR

pith:2018:RTPFRXVRLLBLWIXS2UFBHPQS25

not attested not anchored not stored refs pending

Supersimple omega-categorical theories and pregeometries

Vera Koponen

arxiv:1801.05748 v2 · 2018-01-17 · 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{RTPFRXVRLLBLWIXS2UFBHPQS25}

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	2026-05-18T00:12:02.362534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cde58deb15ac2bb22f2d50a13be12d745f43795f2e0a8cefcd402a2d84c8ddf

Aliases

arxiv: 1801.05748 · arxiv_version: 1801.05748v2 · doi: 10.48550/arxiv.1801.05748 · pith_short_12: RTPFRXVRLLBL · pith_short_16: RTPFRXVRLLBLWIXS · pith_short_8: RTPFRXVR

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/RTPFRXVRLLBLWIXS2UFBHPQS25 \
  | 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: 8cde58deb15ac2bb22f2d50a13be12d745f43795f2e0a8cefcd402a2d84c8ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b99a647659c6884dc22a877f81185b5a586cb097736db8292473572e8c5efca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-01-17T16:50:43Z",
    "title_canon_sha256": "ab178687535a4fa638ddc39823439a21b228e0d5f49cc057ccb1b6938e997ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05748",
    "kind": "arxiv",
    "version": 2
  }
}