OT-2026-000007389
Publication integrity record
Four finger mechanical gripper, two stage ejector, pneumatic drive
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-2026-000007389) never changes.
Identity and time
| Publication number | OT-2026-000007389 · never reused |
|---|---|
| Internal UUID | 01a0a97d-08fd-74c8-9c19-e7b90b637df3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:12:18.943399Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007389 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1ecd14872d99c26da25454df171d6deeaf35b5323e21ec16eae1b41bc29c754 |
|---|---|
| Markdown | d2bce58e1018bc1c488c2bff947eed44868ec16c5c45f1db4e7c1669d04b981f |
| Publication page | 53c81f7734f44eb5b82cc4f334f6d4695be24190618040b081dfc69f94447530 |
| Manifest | 3565a2ecc1508a5a9a63e152ccd2c8570595093d391c10001e736fd96ea21c8f |
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 | 33J//0qOf5hmPZhhl1xuHEOLngdFQt+X/W/0Mja5nzjZHHpfrOyxJOL7MAXZuhNvx+BAi30b25N3BBL/7/1NBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:08.137385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007389observed 53c81f7734f44eb5b82cc4f334f6d469...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:08.123464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007389/manifest.jsonobserved 3565a2ecc1508a5a9a63e152ccd2c857...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:08.110798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007389/publication.mdobserved d2bce58e1018bc1c488c2bff947eed44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:08.098626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007389/publication.txtobserved b1ecd14872d99c26da25454df171d6de...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. |
|---|