OT-2026-000056000
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000056000) never changes.
Identity and time
| Publication number | OT-2026-000056000 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-74c2-8274-c324c2fb5d75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056000 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d367419936775b5d7cd72d163b0c13377e9933c495265a52ed46085d44f9f7c |
|---|---|
| Markdown | a37dd07cdde4083bdb5c434dfd0e56d49259f210f13d0b77afcf07f365e97912 |
| Publication page | 44ea2abbf37d3fbe4e2580a43c30c4b54b3f6a23a9c1cd6790bb6f8d9eb10dcd |
| Manifest | e0e52370865161c92d2f6d51f04123e71538cf4bef8378c0118baf18baedd66e |
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 | /VDuFWF/gmEEy05UkPrkdLH+wniNzbhgqkpZFCNJ+7dX8/2XdE0JJlEir8eHtcstCBRjpxe6xqpF7SkkTuByDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:31.499470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056000observed 44ea2abbf37d3fbe4e2580a43c30c4b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:31.482924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056000/manifest.jsonobserved e0e52370865161c92d2f6d51f04123e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:31.466778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056000/publication.mdobserved a37dd07cdde4083bdb5c434dfd0e56d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:31.449325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056000/publication.txtobserved 4d367419936775b5d7cd72d163b0c133...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|