OT-2026-000057768
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000057768) never changes.
Identity and time
| Publication number | OT-2026-000057768 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed7-7bb0-8cb7-4e1730728b99 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 569081062e72fa5e21d8f3860f44d263699721a1eea2d9caa3b3cd7c278498fd |
|---|---|
| Markdown | 4e31747681c755c91b552808c4c7566fda68cea223ba3acc14cd3ff511b41310 |
| Publication page | c5f929f480d00e345e286aea0cb32a8c365aaac422fe8a62d5740b7fb98db7c8 |
| Manifest | 457dca4e562d63121b4953a53df2bc0d4ce4dac48cf2aa48dd5c68eceb678162 |
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 | tUqI3r2ZHc7m459v4KIaWO8wIEenDiBA0l+eRRGFXC8fy7fQ9DlsfGRBzN/jlL1gQdo8+UPN3atm3SzEdAEMDw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:47:18.963514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057768observed c5f929f480d00e345e286aea0cb32a8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:18.944815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057768/manifest.jsonobserved 457dca4e562d63121b4953a53df2bc0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:18.927115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057768/publication.mdobserved 4e31747681c755c91b552808c4c7566f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:18.908060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057768/publication.txtobserved 569081062e72fa5e21d8f3860f44d263...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. |
|---|