OT-2026-000003510
Publication integrity record
Bellows cup vacuum gripper with folded bellows cups for height compensation
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003510) never changes.
Identity and time
| Publication number | OT-2026-000003510 · never reused |
|---|---|
| Internal UUID | 01a0a906-e197-7772-92c4-0e0db5d82c79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:15.610546Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003510 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0d232814a9a0308812c16f114d88bd4bc1e322d7bec291b56c38c4f22a0899d |
|---|---|
| Markdown | 8ffec7849eb7d33b4761cdb938878d40ab32848998f237c1a8c536b98948910e |
| Publication page | d941fd816e60af66ba14a3634608a99cdca837ebfcd6ab650f5308369427643d |
| Manifest | 040b663c32a42ef26008fe3da35830f13e5ef77cdcb2dd16b3e41cdc35bb8cbc |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | UP2cUa19QeVXKtWFui/6YutET8BI0bqnXqlqTiJvGyHoIEBGxxoU7J0Zs19DzycEK0BQwvw44GiBX4e1dKcNAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.721987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003510observed d941fd816e60af66ba14a3634608a99c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.708042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003510/manifest.jsonobserved 040b663c32a42ef26008fe3da35830f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.692356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003510/publication.mdobserved 8ffec7849eb7d33b4761cdb938878d40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.674960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003510/publication.txtobserved e0d232814a9a0308812c16f114d88bd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|