OT-2026-000090452
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum 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-2026-000090452) never changes.
Identity and time
| Publication number | OT-2026-000090452 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7f15-b53e-5e74a2b1b9ed · 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-2026-000090452 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ad0d390728a171c9f35c7f71fdb3e0ce1ad2ceac8fb931dcfa05985fbd47d0a |
|---|---|
| Markdown | d17e0a70496ab10ba50b7924336a3935b2f7ef92801dc813ce3513f81041cc45 |
| Publication page | 839329b5905cbf7d253dc2550982041aedc0bfcf1a2b33ad7d1bae14dc93d578 |
| Manifest | acd1e4d6f98a9ebdf2105af3e395da194b878d1af67562ecf63a2cc5ea66eac4 |
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 | lzUApCByO0/Tw9MFsoON5RP0FbEu95QG8vcYiKnE/AndLrkYbu8yyA1uejORhpJPIPa/3oOaYxEPbFJOt9mjBw== |
| 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
| 2026-09-17T09:44:34.602031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090452observed 839329b5905cbf7d253dc2550982041a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.537383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090452/manifest.jsonobserved acd1e4d6f98a9ebdf2105af3e395da19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.520461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090452/publication.mdobserved d17e0a70496ab10ba50b7924336a3935...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.443890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090452/publication.txtobserved 0ad0d390728a171c9f35c7f71fdb3e0c...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. |
|---|