Pith Number

pith:YINICH34

pith:2019:YINICH34N65CNUT73VCVRY4W64

not attested not anchored not stored refs pending

The structure of the conjugate locus of a general point on ellipsoids and certain Liouville manifolds

Jin-ichi Itoh, Kazuyoshi Kiyohara

arxiv:1901.06123 v1 · 2019-01-18 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YINICH34N65CNUT73VCVRY4W64}

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	2026-05-17T23:56:04.509365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21a811f7c6fba26d27fdd4558e396f7285b5e3e433bfb946ca68eba6f39ac7d

Aliases

arxiv: 1901.06123 · arxiv_version: 1901.06123v1 · doi: 10.48550/arxiv.1901.06123 · pith_short_12: YINICH34N65C · pith_short_16: YINICH34N65CNUT7 · pith_short_8: YINICH34

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/YINICH34N65CNUT73VCVRY4W64 \
  | 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: c21a811f7c6fba26d27fdd4558e396f7285b5e3e433bfb946ca68eba6f39ac7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed19f2f8a3f2a340acb66bc907718daa66fa919f9f204b532e091b92dd29409b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-01-18T08:01:38Z",
    "title_canon_sha256": "5cdf7b77b036ac8d4ce5ebe37f0e190bfb2a7b15f3396437ad0f92a1901b6be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06123",
    "kind": "arxiv",
    "version": 1
  }
}