Pith Number

pith:SDZKGXMN

pith:2019:SDZKGXMN664PR2WLE5L7IHR66H

not attested not anchored not stored refs pending

Antichains of Copies of Ultrahomogeneous Structures

Bori\v{s}a Kuzeljevi\'c, Milo\v{s} S. Kurili\'c

arxiv:1904.00656 v1 · 2019-04-01 · 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{SDZKGXMN664PR2WLE5L7IHR66H}

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	2026-05-17T23:49:47.769229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f2a35d8df7b8f8eacb2757f41e3ef1f2b321bf8b201c8af2a0866d6251289d

Aliases

arxiv: 1904.00656 · arxiv_version: 1904.00656v1 · doi: 10.48550/arxiv.1904.00656 · pith_short_12: SDZKGXMN664P · pith_short_16: SDZKGXMN664PR2WL · pith_short_8: SDZKGXMN

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/SDZKGXMN664PR2WLE5L7IHR66H \
  | 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: 90f2a35d8df7b8f8eacb2757f41e3ef1f2b321bf8b201c8af2a0866d6251289d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a5df26ec54482b06bd9fd1736a818e336bf746d5d18526180eab7951918d8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-04-01T09:33:29Z",
    "title_canon_sha256": "82a0b78a48bed2a3784745f8e065c685b9bfc715218df5ca6105563127c7e073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00656",
    "kind": "arxiv",
    "version": 1
  }
}