OT-2026-000022690
Publication integrity record
Foam pad vacuum gripper, two stage ejector, 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-2026-000022690) never changes.
Identity and time
| Publication number | OT-2026-000022690 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-7a14-b0d9-f7eaf2097817 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022690 |
| Status | PUBLIC |
Content hashes
| Canonical text | d67417d6ea6830c503b5d3eafe53fa26fc9e6d6448a367664d414387d0148953 |
|---|---|
| Markdown | a4a9a33887026f7d7d7b44608820b6019d902839048da50404fc9f15177cd2eb |
| Publication page | b7042dc138a533bd689de0690e484e3c443e3d4cfe0a2ef3f4c2941efdf51bb6 |
| Manifest | 05ffe1783701ff128c99ec063136c9f052e14f9b66cbd24dd2a1ba8c8a32ee89 |
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 | TAs4lVdTM+Bcan+V5XGJJzaTUpEt2uXbw6z0Sk9Fe2WRfmc+unTM/b5gKi+u8th7AWetAeKWXEgIrylzHLwdBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:52:04.860122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022690observed b7042dc138a533bd689de0690e484e3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:04.842915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022690/manifest.jsonobserved 05ffe1783701ff128c99ec063136c9f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:04.826422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022690/publication.mdobserved a4a9a33887026f7d7d7b44608820b601...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:04.806925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022690/publication.txtobserved d67417d6ea6830c503b5d3eafe53fa26...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. |
|---|