OT-2026-000006526
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, two stage ejector, polyurethane cups
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-2026-000006526) never changes.
Identity and time
| Publication number | OT-2026-000006526 · never reused |
|---|---|
| Internal UUID | 01a0a95e-49f1-7c04-bd44-8e752a781175 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:38:43.956573Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006526 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6773ce0239a06c5f771db23562777c0f633c600986d8dad74b8d9115e5e5683a |
|---|---|
| Markdown | 324cb49ef222450b909d6dcb3d2983508bacccfe6c4d774fd2a46c8b60a52769 |
| Publication page | 85fbda87078db239bae4a794cf41918c4b8ee6cf021e8865d6df8a970f0b2f03 |
| Manifest | ad394718fd4bd863c5cc15adbdcbc9b29177cc8df5948dc2f5b486b09aa1cb14 |
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 | TS4cTsc6wcGfOE+rgXzcEtCjChRltFCuo9iyaIgt2HxjG1AfpIbLBpeTA02epqaIZLeySUsBzI5/VDKwJ75gDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-17T04:42:10.565767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526observed 85fbda87078db239bae4a794cf41918c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:42:10.380892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/manifest.jsonobserved ad394718fd4bd863c5cc15adbdcbc9b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:10.194564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/publication.mdobserved 324cb49ef222450b909d6dcb3d298350...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:09.949049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/publication.txtobserved 6773ce0239a06c5f771db23562777c0f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:42:21.359563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526observed 85fbda87078db239bae4a794cf41918c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:42:21.204980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/manifest.jsonobserved ad394718fd4bd863c5cc15adbdcbc9b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:42:21.029940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/publication.mdobserved 324cb49ef222450b909d6dcb3d298350...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T00:42:20.877889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006526/publication.txtobserved 6773ce0239a06c5f771db23562777c0f...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 |
|---|