OT-2026-000079640
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000079640) never changes.
Identity and time
| Publication number | OT-2026-000079640 · never reused |
|---|---|
| Internal UUID | 01a0ae96-0b92-7fe9-986b-5e6359ff7469 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:44.101434Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000079640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73a0f40fdfa6caa15db20f1527df7aa05ff6819d3b17d6d41681f46caa9fad99 |
|---|---|
| Markdown | 5602db23da8f09f290ec59380e41793d0bd68867220cac1be9f0fe5b9229f900 |
| Publication page | 9ce3f38782155ea85126c5c570ebe147cdc44539b86e1ce0b46bb89789694567 |
| Manifest | aff42a0d418d43582613678a15bbd39a48971949972e0970c9f4381730bf3311 |
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 | HDXkyuQWyk1H+ICdEiKPHhms1so9SXIFApYq+5/29UShgEZHUM3OwIKpaVPXdk6E+k7wOD9KMS2qjBrw1lRkCg== |
| 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... |
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Independent retrieval
| 2026-11-01T00:42:02.807557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640observed 9ce3f38782155ea85126c5c570ebe147...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T00:42:02.721677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/manifest.jsonobserved aff42a0d418d43582613678a15bbd39a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:42:02.637979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/publication.mdobserved 5602db23da8f09f290ec59380e41793d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:42:02.489607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/publication.txtobserved 73a0f40fdfa6caa15db20f1527df7aa0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:47.315672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640observed 9ce3f38782155ea85126c5c570ebe147...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:47.235423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/manifest.jsonobserved aff42a0d418d43582613678a15bbd39a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:47.148926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/publication.mdobserved 5602db23da8f09f290ec59380e41793d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:47.056410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079640/publication.txtobserved 73a0f40fdfa6caa15db20f1527df7aa0...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 |
|---|