OT-2026-000011991
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000011991) never changes.
Identity and time
| Publication number | OT-2026-000011991 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1943-7f52-bf05-1393ef6ba55d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97f2f7dafd3db5a0831ac45bd381432d025e7515f707dc676236a85acd744b98 |
|---|---|
| Markdown | ea767d2c374f920f3c0b5f12912894b0f9f8808a44597c2a7968997c2edd0dfa |
| Publication page | 471fc11316436565590be8823e26863c43d07bd256d6a7aa8ada7f19f84f8593 |
| Manifest | 4f9c41a0e481f9b9bd3328f44d3ad2d4b328aa290dee1f40fb62e423cfe02ab4 |
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 | XSgsfmk1+q/FgJhTdPjwWkz6JF8iLz4ik/akUkS0b/okWGajLX9PkgcBnoFHiHYo2o4su9PmzkbO5KyCYncbAg== |
| 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
| 2026-09-17T12:12:51.158883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011991observed 471fc11316436565590be8823e26863c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:51.138810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011991/manifest.jsonobserved 4f9c41a0e481f9b9bd3328f44d3ad2d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:51.117738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011991/publication.mdobserved ea767d2c374f920f3c0b5f12912894b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:51.098182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011991/publication.txtobserved 97f2f7dafd3db5a0831ac45bd381432d...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. |
|---|