OT-2026-000006428
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, two stage ejector, closed cell
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-2026-000006428) never changes.
Identity and time
| Publication number | OT-2026-000006428 · never reused |
|---|---|
| Internal UUID | 01a0a95a-e1e6-78ae-8160-b5c843b8a2c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:35:00.714674Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68aae23243cb5223a4bf3f6fb2550bc1a39269158644325030c4669828d268bb |
|---|---|
| Markdown | 41429a803918f838f45f4b1a77d4cb3119fc3f2a6afb1850bd0259bf60375daf |
| Publication page | fa7fb8a5674729e1a7e7122f381c54734048bb313f8976c9002755f86fb5b413 |
| Manifest | b158d2144a2c371862778087460e2bab6eff6624454f88060c124cf59b77ccbd |
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 | o5nlM3dCjo2QkeLXsWm7FSBHMasdjbnujeZEUnvhZg9i5PCdtMDs4r3TLT1c82cvEr8gHYmppTsee44lieUkDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:18.721583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006428observed fa7fb8a5674729e1a7e7122f381c5473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:18.708622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006428/manifest.jsonobserved b158d2144a2c371862778087460e2bab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:18.695579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006428/publication.mdobserved 41429a803918f838f45f4b1a77d4cb31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:18.682716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006428/publication.txtobserved 68aae23243cb5223a4bf3f6fb2550bc1...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. |
|---|