OT-2026-000077052
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000077052) never changes.
Identity and time
| Publication number | OT-2026-000077052 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f506-7a6f-bc34-14012a7e0756 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077052 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42662b87aa57bd96d2b8bb3c414d9ded8fcd8a5897949e9ebfd8a8b860d13841 |
|---|---|
| Markdown | 044a9c20e999d883f1bc8b40454bc0fb3c45435b56841e6c901aed91cf268c85 |
| Publication page | 87717fd6f79fd0d64e4ffd99a58b9ed218973e22146f16bfb659f7b8c7d201e9 |
| Manifest | 45f0bec517667363f699257580edb5a39cebc45d1e43139035ea808add3e5a85 |
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 | Dx+WgoZeVb82CPUH32ru+NDIGq7/knEGlY4wm16dB5r9tixJOzeUs+ImfnZynFFcTNWb0v8oHGfNp2WrhSzlCw== |
| 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
| 2026-09-17T10:11:09.539598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052observed 87717fd6f79fd0d64e4ffd99a58b9ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:09.519152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/manifest.jsonobserved 45f0bec517667363f699257580edb5a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:09.499762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/publication.mdobserved 044a9c20e999d883f1bc8b40454bc0fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:09.477329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/publication.txtobserved 42662b87aa57bd96d2b8bb3c414d9ded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.258370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052observed 87717fd6f79fd0d64e4ffd99a58b9ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.238395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/manifest.jsonobserved 45f0bec517667363f699257580edb5a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.220694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/publication.mdobserved 044a9c20e999d883f1bc8b40454bc0fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:28.202297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077052/publication.txtobserved 42662b87aa57bd96d2b8bb3c414d9ded...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. |
|---|