OT-2026-000073990
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000073990) never changes.
Identity and time
| Publication number | OT-2026-000073990 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7de3-bd33-4e04d6687eb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073990 |
| Status | PUBLIC |
Content hashes
| Canonical text | b315b99edb18cb56727ee7a8e9ca7b690402d0f7c944e1512845d2661ec794c6 |
|---|---|
| Markdown | f4ed7f45e93c7383b2f7986f857762972f1bc129c8f889df975f835aebb074ba |
| Publication page | 36e203662b9660d4b3e533fb119dcd1e41113d37992779b04b41a194b227cd38 |
| Manifest | fb2c6ce6f4081c6737f93b5fd7f2d6ca97f64d11fcb9d5eaaa317f5ac051ae68 |
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 | GnD3HN64hFL+DAHUksKt+IrtEW626yN5WkJKfEubU8Vj610tENlfuAfciK6zZbUBkOBvj3zz7mIPzqCAB1q9CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:19:53.365189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073990observed 36e203662b9660d4b3e533fb119dcd1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:53.343543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073990/manifest.jsonobserved fb2c6ce6f4081c6737f93b5fd7f2d6ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:53.309504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073990/publication.mdobserved f4ed7f45e93c7383b2f7986f85776297...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:53.276182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073990/publication.txtobserved b315b99edb18cb56727ee7a8e9ca7b69...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. |
|---|