OT-2026-000071488
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented before set-down, on a tool changer
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-2026-000071488) never changes.
Identity and time
| Publication number | OT-2026-000071488 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7f4f-8097-23270597bd5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071488 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93763862e32c0b0f56ebbbdc3106ec84b4a2a39e8dcaaff2323554f857058025 |
|---|---|
| Markdown | 23b63b6d3d1bce00f97452d89539683cc47d58291f5f11837709653a799d4271 |
| Publication page | 542ccc20b56120f9079433f34a852d906f064a16702ee89b6c8d86666b645747 |
| Manifest | 7b2ecb17c6feb9f1e8e2651b33578b93aee1c441966ff41331df49b246953c5a |
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 | BGtmFJCMw2lfBg0dMYkNoXSVMpy/XlXaJc4cNmmKik9O2A+0KY3HEQ5IsbpdB+Dqx69FDaR10Ai0nf6q3XW6AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:25:07.914198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071488observed 542ccc20b56120f9079433f34a852d90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:07.895642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071488/manifest.jsonobserved 7b2ecb17c6feb9f1e8e2651b33578b93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:07.876634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071488/publication.mdobserved 23b63b6d3d1bce00f97452d89539683c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:07.856560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071488/publication.txtobserved 93763862e32c0b0f56ebbbdc3106ec84...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. |
|---|