OT-2026-000075831
Publication integrity record
Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000075831) never changes.
Identity and time
| Publication number | OT-2026-000075831 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fe-794c-b533-937155657b43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075831 |
| Status | PUBLIC |
Content hashes
| Canonical text | f742c52e9b2c28eec31e6bec201a557c5ee12023387239291a41075ba4659daa |
|---|---|
| Markdown | 20486111778a8789b59bb349ac05817e771f21719b29512b151b5c2006a845f6 |
| Publication page | 03268b16e08108cc859179b3a735d3e0ab43728ea4690aa1d805bd6671bb94a8 |
| Manifest | 2e425fa8236ed2acec732fd0b5fa0ed24575f90b08652f2f0966f69aaf2be5d4 |
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 | OfPPH3QL88Dj5RGytkh5Dmus7TsFLh1Api26gWOhXPHUFGd7+0vs4tcQ1ErVy+3pytc3kttohE+hTVcUu/LfDg== |
| 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
| 2026-09-17T10:14:29.285006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075831observed 03268b16e08108cc859179b3a735d3e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:29.265673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075831/manifest.jsonobserved 2e425fa8236ed2acec732fd0b5fa0ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:29.245567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075831/publication.mdobserved 20486111778a8789b59bb349ac05817e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:29.226043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075831/publication.txtobserved f742c52e9b2c28eec31e6bec201a557c...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. |
|---|