OT-2026-000072172
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000072172) never changes.
Identity and time
| Publication number | OT-2026-000072172 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-773c-9d05-e401914cf0aa · 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-2026-000072172 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbbe120bf87be5dbfa3672b72e18633d05d059171e48d4e1d2d6b020bfdb25f7 |
|---|---|
| Markdown | 5ad678ba3d87ab8895d5d8ec0e9ce45beeaed41a034a9f3fb3e67c46a15d8f27 |
| Publication page | 8061e43ae4019d6d7889c28a3519d3bb09f1fd07ada53d0cd157bdb3f6c36a26 |
| Manifest | b9a1cd93554ec16cd30607acb668bc8e0741cba99c2222d84fa17436f01864e0 |
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 | 3gwgRkthxazDmr4eJKfp6bf1xVhHezxQASj0xEkar5JdGqM4DWmqQJRIYb7sLnGlC0j9w9ThG6A8/OTzvea5Dg== |
| 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
| 2026-09-17T10:23:16.221432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072172observed 8061e43ae4019d6d7889c28a3519d3bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:16.203651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072172/manifest.jsonobserved b9a1cd93554ec16cd30607acb668bc8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:16.185699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072172/publication.mdobserved 5ad678ba3d87ab8895d5d8ec0e9ce45b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:16.166713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072172/publication.txtobserved dbbe120bf87be5dbfa3672b72e18633d...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. |
|---|