OT-2026-000081157
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000081157) never changes.
Identity and time
| Publication number | OT-2026-000081157 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b977-743e-8e03-d047242677a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081157 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b1afd29b7deee9f42b788bbeba15d163fb38b7e9cc49158859c401a5eb1b6f4 |
|---|---|
| Markdown | 0d8167a6c9993a99897473d7a9a0e31e94a44e5f80aac2c59bc49e5c8e3a7139 |
| Publication page | c77a0db87cfbdb576c00a037d28e90bb4fcc47a11b63d11db630ad5161721bd7 |
| Manifest | f4191b56cd41c33549fbff180bb5ba43bbacf5bef44d646b78f8ce177ffade48 |
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 | BBmHo7pgkvQ0vxN6JGuj9fVw3faUiO9sEk5GpbP6jQysP1faWFR7p1IalZuhxn/JAT3xs1QOjh4+sgBe/EoNBA== |
| 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
| 2026-09-17T10:02:32.989419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081157observed c77a0db87cfbdb576c00a037d28e90bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:02:32.969342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081157/manifest.jsonobserved f4191b56cd41c33549fbff180bb5ba43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:32.951254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081157/publication.mdobserved 0d8167a6c9993a99897473d7a9a0e31e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:32.932201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081157/publication.txtobserved 7b1afd29b7deee9f42b788bbeba15d16...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. |
|---|