OT-2026-000042868
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, pulsed 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-2026-000042868) never changes.
Identity and time
| Publication number | OT-2026-000042868 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7e73-8d18-bea0eea951b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042868 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25172f8a03b8f1d44e4d0b21513933ffc52856e8ead58de64361764cfe114939 |
|---|---|
| Markdown | e136ff002171fa92ab4104ae2b081325485f9c7d1480dd458288ada8ffe9eeaa |
| Publication page | 592b186d10590e89b1d7d65b8a0f16b0ae9bb0dd7961ebbd3486fcd91098cdf7 |
| Manifest | 07c5510b99d936a05960df21568103539a1fd468f305abdc034814e57692b4ae |
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 | k0hINzezazYHox3lLDHiyGx7jCmuaSP7N/KdHGO6pOzT1rvqiMvzrBZyuUkCFXaScT54U29dMTAfhJGKOcxDCg== |
| 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
| 2026-10-10T20:41:39.111283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868observed 592b186d10590e89b1d7d65b8a0f16b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T20:41:39.033888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/manifest.jsonobserved 07c5510b99d936a05960df2156810353...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:38.952656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.mdobserved e136ff002171fa92ab4104ae2b081325...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:38.862721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.txtobserved 25172f8a03b8f1d44e4d0b21513933ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:07.183243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868observed 592b186d10590e89b1d7d65b8a0f16b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:07.102095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/manifest.jsonobserved 07c5510b99d936a05960df2156810353...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:06.980310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.mdobserved e136ff002171fa92ab4104ae2b081325...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:06.790008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042868/publication.txtobserved 25172f8a03b8f1d44e4d0b21513933ff...fetched by grabo-systems from 34.44.131.203, 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 |
|---|