OT-2026-000077489
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077489) never changes.
Identity and time
| Publication number | OT-2026-000077489 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-7e1f-a3f9-c2068eeeaaff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077489 |
| Status | PUBLIC |
Content hashes
| Canonical text | f55ab95e2fae8685ec298993e7911db2a8cd8a49549ef0edcb8cb2e69a2c3cbb |
|---|---|
| Markdown | 2d9f3af470a04bc394b0e76575c46959f4e3f6ed631d349e86bbf933bff7c60e |
| Publication page | ad275456b2bbbcdccc36491e7fd41648a18b56e1f5b117778e2fef93338d9a26 |
| Manifest | 08bad0c191de5c21fbd35c25e7e2b2931ff5f6ecaabee0c749208e7b4c43c2bc |
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 | wHkp2RrV/4SeETtBD9lZ1VBnOuhRdktUR5bACXJTDFMCXVOueA/qJXOPYybgkHPeRLsEGHdu3wVGD+u1VKphAg== |
| 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
| 2026-09-17T10:09:10.694033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077489observed ad275456b2bbbcdccc36491e7fd41648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:10.675068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077489/manifest.jsonobserved 08bad0c191de5c21fbd35c25e7e2b293...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.654678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077489/publication.mdobserved 2d9f3af470a04bc394b0e76575c46959...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.636305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077489/publication.txtobserved f55ab95e2fae8685ec298993e7911db2...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. |
|---|