Pith Number

pith:PJOANHXB

pith:2018:PJOANHXBIGL7DRI2OFCML4DN56

not attested not anchored not stored refs pending

The super tree property at the successor of a singular

Dima Sinapova, Sherwood Hachtman

arxiv:1806.00820 v1 · 2018-06-03 · 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{PJOANHXBIGL7DRI2OFCML4DN56}

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	2026-05-18T00:14:18.307728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5c069ee14197f1c51a7144c5f06def95602b06597b1d2083d8c86578752b6e

Aliases

arxiv: 1806.00820 · arxiv_version: 1806.00820v1 · doi: 10.48550/arxiv.1806.00820 · pith_short_12: PJOANHXBIGL7 · pith_short_16: PJOANHXBIGL7DRI2 · pith_short_8: PJOANHXB

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/PJOANHXBIGL7DRI2OFCML4DN56 \
  | 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: 7a5c069ee14197f1c51a7144c5f06def95602b06597b1d2083d8c86578752b6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b7d73899ad442398ae49f33375417df5b54cc46cb91dc29de42173da26b28ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-06-03T16:07:34Z",
    "title_canon_sha256": "7dccb4aceb0ec1e8a9791600c3a7ef99a206605b0bac1272a637a1cef56bab80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00820",
    "kind": "arxiv",
    "version": 1
  }
}