Pith Number

pith:F73HKD36

pith:2012:F73HKD36C4SC4NFASHW63L7DEU

not attested not anchored not stored refs pending

Apparent Horizons with Nontrivial Topology and the Hyperhoop Conjecture in Six-Dimensional Space-Times

Hirotaka Nakayama, Takahiro Okamoto, Tomohiro Kurata

arxiv:1202.1045 v1 · 2012-02-06 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F73HKD36C4SC4NFASHW63L7DEU}

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	2026-05-18T01:58:33.661144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff6750f7e17242e34a091ededafe3251c232b8067c3d52eafae6e50a5f4f1ba

Aliases

arxiv: 1202.1045 · arxiv_version: 1202.1045v1 · doi: 10.48550/arxiv.1202.1045 · pith_short_12: F73HKD36C4SC · pith_short_16: F73HKD36C4SC4NFA · pith_short_8: F73HKD36

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/F73HKD36C4SC4NFASHW63L7DEU \
  | 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: 2ff6750f7e17242e34a091ededafe3251c232b8067c3d52eafae6e50a5f4f1ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0e581cb0bd803b83c56cf29ba52e753d48d12442190a51e622884c8d5b3592",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-06T04:12:57Z",
    "title_canon_sha256": "a5b48118ff19505543a3d76508c4f10a0b729c5a7a6cce42ff15baf8cf7483f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1045",
    "kind": "arxiv",
    "version": 1
  }
}