OT-2026-000076817
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000076817) never changes.
Identity and time
| Publication number | OT-2026-000076817 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b070-7b5a-a0a3-d76229eb6ac9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 175e297ed48040d95ec7bbef9a40addf08f4a344fa62cdbd6895902d188727fc |
|---|---|
| Markdown | 34db846addaa1c1c766ab20e9eb8d93e9e7ac8396af2b42bca19b7f70ba66422 |
| Publication page | 26177ef4cfedb3f90977c5d06d840c56eb65b5b8acc9998100cf7039e637ce5d |
| Manifest | a312f886df902ef87e4d69ece5156d45d20ec6c5fd2423722ea8c1d94388ad84 |
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 | eTxKiyLFN5M66jL+2dPXDQoTHpqf1Vc95v8ch9n5Nkx6lTTc7b0/YSrVV1uISxowgCL1FcKiOJxgFDbbOgk7Dw== |
| 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
| 2026-09-17T10:09:41.545427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076817observed 26177ef4cfedb3f90977c5d06d840c56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:41.524273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076817/manifest.jsonobserved a312f886df902ef87e4d69ece5156d45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:41.503788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076817/publication.mdobserved 34db846addaa1c1c766ab20e9eb8d93e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:41.469689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076817/publication.txtobserved 175e297ed48040d95ec7bbef9a40addf...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. |
|---|