OT-2026-000005298
Publication integrity record
Porous face vacuum gripper, pump fed, contact triggered on the face
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-2026-000005298) never changes.
Identity and time
| Publication number | OT-2026-000005298 · never reused |
|---|---|
| Internal UUID | 01a0a934-a48f-7665-b2c7-ea63cd96464d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:53:14.642527Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005298 |
| Status | PUBLIC |
Content hashes
| Canonical text | de1001cca43b8b30614e7183f5bc9ce619d44b4d3d592d5a0fc49edac9802925 |
|---|---|
| Markdown | 89ef8917a8240d0fa443890a4abc60ab733344a0c6a9f15346cf0ee1b5d8b0e8 |
| Publication page | e1c179b3b4d92bde675a7ccc822a3618bde3cd802206978e97ef753d581ed31a |
| Manifest | 56d5ea2fd1af145566446b451cbbb7e52ad765faa7cf2bd03bc4c79efc557fb2 |
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 | m6PAbqQC+nMb37zh/HE2ujoWg5vpTMdLzZ0XF2646rwC8iyeiaOzv2TkiN4oS5jAXaOmcTcqlL/Ka3KnJNcPBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:25.429137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005298observed e1c179b3b4d92bde675a7ccc822a3618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:25.414413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005298/manifest.jsonobserved 56d5ea2fd1af145566446b451cbbb7e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:25.401091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005298/publication.mdobserved 89ef8917a8240d0fa443890a4abc60ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:25.387906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005298/publication.txtobserved de1001cca43b8b30614e7183f5bc9ce6...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. |
|---|