OT-2026-000072281
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000072281) never changes.
Identity and time
| Publication number | OT-2026-000072281 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c3-7866-9a71-924109dbd8fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6639d8db38d4a4e442ac8a7bbe1c4bcb2638d2f7b444612b66cc8664cdb1c166 |
|---|---|
| Markdown | 23a94cdd1bf5b373b8cfe1e03632c5e88acb85e4ba3c9339466fe1f2a148d441 |
| Publication page | d528c9f8871d7a3cb7a1d6e9a02d936adf68ac3901b328e2db673b40af19f905 |
| Manifest | 4c4914eea4899f1d43473ed51f53d1bcedfbd1ab06331359f22bb7073575590a |
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 | ADwntNoQpNHFhuqD08O0rkvnOcHdRWRHLk8a4IRrPCYRbd2/YNbhDHjYLNtVzQNd2MGp4zZdQAQjPCQ5gL4qCQ== |
| 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
| 2026-09-17T10:23:23.766252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072281observed d528c9f8871d7a3cb7a1d6e9a02d936a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:23.748814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072281/manifest.jsonobserved 4c4914eea4899f1d43473ed51f53d1bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:23.731382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072281/publication.mdobserved 23a94cdd1bf5b373b8cfe1e03632c5e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:23.715124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072281/publication.txtobserved 6639d8db38d4a4e442ac8a7bbe1c4bcb...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. |
|---|