OT-2026-000008991
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, vented after 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-2026-000008991) never changes.
Identity and time
| Publication number | OT-2026-000008991 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-31b8-7a18-8f5c-4f8761c3591b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:55.823363Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008991 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd195fb196a912b3328eb9095c53a544b34cd33721f5907f8d2dc96a19ba53b6 |
|---|---|
| Markdown | ea3da7f29ea4bb24981e843234be15adfa15dca01fc4ed44fd4e3d31276cd890 |
| Publication page | 25dec423d19d6d112a45ffc8823342b100ec96a81326d90a8c5eb9fc5fa05c6a |
| Manifest | 2822570355d475dbd2d17bcd8d19724e4ab9d9330af5d7d7d968f88efa234a85 |
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 | jae4rKSS3CesWD0h+B2cvtZ8ELv5hmbON/NWgFhnCXsQkXzZB8AJ3VmXJTOywMdKFjZ9zWoOLPDyT7O/QpwXBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:17:37.209161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008991observed 25dec423d19d6d112a45ffc8823342b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:17:37.188390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008991/manifest.jsonobserved 2822570355d475dbd2d17bcd8d19724e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:17:37.168499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008991/publication.mdobserved ea3da7f29ea4bb24981e843234be15ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:17:37.147926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008991/publication.txtobserved dd195fb196a912b3328eb9095c53a544...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. |
|---|