pith. sign in
Pith Number

pith:TS4SQHPJ

pith:2018:TS4SQHPJDAPITZNMOBJRUHPED7
not attested not anchored not stored refs pending

A note on NSOP$_{1}$ in one variable

Nicholas Ramsey

arxiv:1803.00433 v3 · 2018-03-01 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TS4SQHPJDAPITZNMOBJRUHPED7}

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 2026-05-17T23:59:53.149774Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9cb9281de9181e89e5ac70531a1de41fed6578bd1580a7f3f2522aad1d0e626e

Aliases

arxiv: 1803.00433 · arxiv_version: 1803.00433v3 · doi: 10.48550/arxiv.1803.00433 · pith_short_12: TS4SQHPJDAPI · pith_short_16: TS4SQHPJDAPITZNM · pith_short_8: TS4SQHPJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TS4SQHPJDAPITZNMOBJRUHPED7 \
  | 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: 9cb9281de9181e89e5ac70531a1de41fed6578bd1580a7f3f2522aad1d0e626e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dd9648d440657566b2f4af5fd5a6912ad2995b3d4ba156725884a549c9ca0143",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-03-01T15:15:57Z",
    "title_canon_sha256": "c6d22b2c88f63887f8bc1625baa20c897b98418e6a310878a44125acf38c447c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00433",
    "kind": "arxiv",
    "version": 3
  }
}