Pith Number

pith:ERCJMYZX

pith:2018:ERCJMYZX2POJBVBHSNTD3VFAJT

not attested not anchored not stored refs pending

The Two Hyperplane Conjecture

David Jerison

arxiv:1809.10759 v2 · 2018-09-27 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ERCJMYZX2POJBVBHSNTD3VFAJT}

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	2026-05-17T23:54:58.937710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2444966337d3dc90d42793663dd4a04cc504cd15753e84c5afff7eda7a3d7cf1

Aliases

arxiv: 1809.10759 · arxiv_version: 1809.10759v2 · doi: 10.48550/arxiv.1809.10759 · pith_short_12: ERCJMYZX2POJ · pith_short_16: ERCJMYZX2POJBVBH · pith_short_8: ERCJMYZX

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/ERCJMYZX2POJBVBHSNTD3VFAJT \
  | 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: 2444966337d3dc90d42793663dd4a04cc504cd15753e84c5afff7eda7a3d7cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca401f0662582c9ce1b8caddb780842adf770019329e66e472095942e5e2981c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-27T20:48:33Z",
    "title_canon_sha256": "f574cbd7ec0ecd39beff7bb32bd25dd84929e7af15c49d9d8f51e412cbdf0b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10759",
    "kind": "arxiv",
    "version": 2
  }
}