OT-2026-000087620
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087620) never changes.
Identity and time
| Publication number | OT-2026-000087620 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd53-76af-a1f2-bbde4e2284f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087620 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4f456b7660bba23d7012567f148e941c35d9ecf8a33824f0241b3004eb19998 |
|---|---|
| Markdown | bca5f4caf136c2d5666656023e6ab4fd0121687589931c8ed89110c2fa22aed8 |
| Publication page | 3a262fcb5bcb0d68c4a2ead710ef7dad5c59b553575d774170e6052f2dedfe8c |
| Manifest | a2bbfd2eee80646dac9c7416b40355d43dd337d51d093be00a90cdfae46834b8 |
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 | F/6r89edA1GpaxviGIcCEswLTGVd3uT5BDe11vbMo+Y8R5cGfzylzFsMNftOOqATPC56OpDzvmS7qc9D3ML2Bw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T09:51:03.929457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087620observed 3a262fcb5bcb0d68c4a2ead710ef7dad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:03.911274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087620/manifest.jsonobserved a2bbfd2eee80646dac9c7416b40355d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:03.893808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087620/publication.mdobserved bca5f4caf136c2d5666656023e6ab4fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:03.876495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087620/publication.txtobserved d4f456b7660bba23d7012567f148e941...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. |
|---|