Pith Number

pith:V5YQ4H6A

pith:2018:V5YQ4H6AYL6HRQ6RDJT4ZPKK33

not attested not anchored not stored refs pending

Isometric embedding with nonnegative Gauss curvature under the graph setting

Xumin Jiang

arxiv:1806.06189 v1 · 2018-06-16 · 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{V5YQ4H6AYL6HRQ6RDJT4ZPKK33}

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	2026-05-18T00:13:03.357763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af710e1fc0c2fc78c3d11a67ccbd4adee51bf3fc4db8eb24602d6d190bc81cf3

Aliases

arxiv: 1806.06189 · arxiv_version: 1806.06189v1 · doi: 10.48550/arxiv.1806.06189 · pith_short_12: V5YQ4H6AYL6H · pith_short_16: V5YQ4H6AYL6HRQ6R · pith_short_8: V5YQ4H6A

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/V5YQ4H6AYL6HRQ6RDJT4ZPKK33 \
  | 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: af710e1fc0c2fc78c3d11a67ccbd4adee51bf3fc4db8eb24602d6d190bc81cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64a0df28359bec672b35ace49023bb28106a00b73ff4aeb6d06c5f0ff81a84c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-16T05:30:34Z",
    "title_canon_sha256": "f481cfe326862502281fab332aae8991a0dfbd27200cce7059ebb6407690dfc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06189",
    "kind": "arxiv",
    "version": 1
  }
}