OT-2026-000027980
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000027980) never changes.
Identity and time
| Publication number | OT-2026-000027980 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7db5-abba-33d230438007 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 942cd541b7e7e8233b1e735f3866259d0bea434f283cdef65f22eec204c859a9 |
|---|---|
| Markdown | 3165df85990014c2bdc138bf6703b5a739034fe8c2e55e759ec6a4c0590a66a7 |
| Publication page | a7b5931cbad9c9f0849124c3fc194a730904f543807726912b225aeccdc2c61e |
| Manifest | cf4d028a6e24133b9b5f22824093e2d40a9c09fe0d92492954b20381681a0d74 |
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 | gI9T8kX5YUddipdeK/m41oXQGAiGi5+hUWx7CBEFxGfaGedAZ8o49Q14AcJtHjjVFxcR1V/I3sm19t/B1gfLDw== |
| 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
| 2026-09-17T11:42:10.840550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027980observed a7b5931cbad9c9f0849124c3fc194a73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:10.824781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027980/manifest.jsonobserved cf4d028a6e24133b9b5f22824093e2d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.809502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027980/publication.mdobserved 3165df85990014c2bdc138bf6703b5a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.792904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027980/publication.txtobserved 942cd541b7e7e8233b1e735f3866259d...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. |
|---|