Pith Number

pith:STTFJWYH

pith:2026:STTFJWYHBHMN3YIGFECJ4N3RCE

not attested not anchored not stored refs pending

Bounding Curvature Measure on Manifolds with Singularities

Nan Li

arxiv:2606.08887 v1 · 2026-06-08 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STTFJWYHBHMN3YIGFECJ4N3RCE}

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	2026-06-09T02:07:45.395073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e654db0709d8dde10629049e3771113ec099eca45ebd8416cd526cef860ae9

Aliases

arxiv: 2606.08887 · arxiv_version: 2606.08887v1 · doi: 10.48550/arxiv.2606.08887 · pith_short_12: STTFJWYHBHMN · pith_short_16: STTFJWYHBHMN3YIG · pith_short_8: STTFJWYH

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/STTFJWYHBHMN3YIGFECJ4N3RCE \
  | 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: 94e654db0709d8dde10629049e3771113ec099eca45ebd8416cd526cef860ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c0e22c30cb87b552b2b3559551145086ed8afd0820f548a5c6d58f75f48b2b9",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-08T00:11:16Z",
    "title_canon_sha256": "a5df28d5aca09fd4e2b4e6e45faa211f5915d906729de16c4084c41134d7f75c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08887",
    "kind": "arxiv",
    "version": 1
  }
}