OT-2026-000078938
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000078938) never changes.
Identity and time
| Publication number | OT-2026-000078938 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7f5e-ba2c-b1ee4ca9ab06 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078938 |
| Status | PUBLIC |
Content hashes
| Canonical text | 397df13021a37086f31a5bd88383dae5aefde362d432cb2816abdc6a1969b424 |
|---|---|
| Markdown | b8ea573ac3a6f2ba59659a3dd04272697768dd47dc32aa16ca557af92ab3876b |
| Publication page | 08e3613e1199563ec3c871edd0ecb3a01251f62847ea17a7e400c5147c6f9c82 |
| Manifest | 242f7f28c952e2bd1d9a06e13e81f3e4de01fa7a63b01807b486f804092c4518 |
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 | sH8sm/+r6HdUU0YC3JU9Beg8/aFZceJBtHT/q7ihVZ8cJJHe0TbWddpH0Dnt/J6BuSd30wHKXVBGeb3KenPrDw== |
| 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
| 2026-09-17T10:05:45.754450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078938observed 08e3613e1199563ec3c871edd0ecb3a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:45.735696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078938/manifest.jsonobserved 242f7f28c952e2bd1d9a06e13e81f3e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:45.716350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078938/publication.mdobserved b8ea573ac3a6f2ba59659a3dd0427269...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:45.698897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078938/publication.txtobserved 397df13021a37086f31a5bd88383dae5...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. |
|---|