OT-2026-000028332
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained blow-off 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-2026-000028332) never changes.
Identity and time
| Publication number | OT-2026-000028332 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7aea-b29d-b2fb03725d84 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028332 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8b8b540548005705f1ec3b250eb8f036e5d05135e2426f7d357388de6cae060 |
|---|---|
| Markdown | 080e36d9a791a62a9ec5671c84ee0ec3b674bb69e5bceba58de21d9daa7d0635 |
| Publication page | 4c8d68a3de3d819759635fc900b5a57b7270f16c60a78108edacf8560f0ed66b |
| Manifest | a5df6224999c27cc5b7c18e1a0924ceea7b27243f3343f73f7628e3ebd5385e5 |
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 | k1gHKL17VLfbhgyXIDXlr3wbQDWkDIvIqp0y7a+BGoxT2mRu9+mmPYBNpPPMOSEck8IWeeOOY+qlyqL+bH5FBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:20.182552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028332observed 4c8d68a3de3d819759635fc900b5a57b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:20.164929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028332/manifest.jsonobserved a5df6224999c27cc5b7c18e1a0924cee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:20.149191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028332/publication.mdobserved 080e36d9a791a62a9ec5671c84ee0ec3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:20.128572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028332/publication.txtobserved e8b8b540548005705f1ec3b250eb8f03...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. |
|---|