OT-2026-000090739
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000090739) never changes.
Identity and time
| Publication number | OT-2026-000090739 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-74e5-abc4-1de18a2cd4b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090739 |
| Status | PUBLIC |
Content hashes
| Canonical text | 157d67d75864402bb04037b9010eb47ddc5ab91ba19903bfed063f82dda4511e |
|---|---|
| Markdown | 83a35994b73cb065ade607682cc4ce1ca10f9ff6925c2aa76f0bffe75685a4bd |
| Publication page | 3ca0f8dd29fc5e6f386771f0d216680280b37d644512115f0b2bf8066295cbda |
| Manifest | 85b1aef164556482d58d94ffe3f400e9ae00acf03f7888749ee8260908d2df80 |
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 | hdYQE8PSJQAk7+ldMXioPkk0MQpZAU67z/9v2aOAc3mT/lA7NjBphnzbUqm56Wn5x58EerNrFjAbw7VQco/qAg== |
| 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
| 2026-09-17T09:44:55.749041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090739observed 3ca0f8dd29fc5e6f386771f0d2166802...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:55.730396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090739/manifest.jsonobserved 85b1aef164556482d58d94ffe3f400e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.710617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090739/publication.mdobserved 83a35994b73cb065ade607682cc4ce1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.691346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090739/publication.txtobserved 157d67d75864402bb04037b9010eb47d...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. |
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