Pith Number

pith:OPBQ6GDE

pith:2016:OPBQ6GDENX5ZRIIHPKH46UDV7N

not attested not anchored not stored refs pending

Isometric Immersion of Complete Surfaces with Slowly Decaying Negative Gauss Curvature

Dehua Wang, Feimin Huang, Wentao Cao

arxiv:1605.09491 v1 · 2016-05-31 · math.DG · 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{OPBQ6GDENX5ZRIIHPKH46UDV7N}

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	2026-05-18T01:11:57.503175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c30f18646dfb98a1077a8fcf5075fb6f7e67cff69eece20c1eed011b0c34b1

Aliases

arxiv: 1605.09491 · arxiv_version: 1605.09491v1 · doi: 10.48550/arxiv.1605.09491 · pith_short_12: OPBQ6GDENX5Z · pith_short_16: OPBQ6GDENX5ZRIIH · pith_short_8: OPBQ6GDE

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/OPBQ6GDENX5ZRIIHPKH46UDV7N \
  | 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: 73c30f18646dfb98a1077a8fcf5075fb6f7e67cff69eece20c1eed011b0c34b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "776d9af02ef1d7e92cdb3cacf33d1829e9d7aeb6b804319c73306bab2913346d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-31T04:19:05Z",
    "title_canon_sha256": "656c41a4b3f7259a91a9dfb06f59186d583bec8e814a04a15c6fadf5887dafb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09491",
    "kind": "arxiv",
    "version": 1
  }
}