OT-2026-000006550
Publication integrity record
Porous face vacuum gripper, per zone isolation, ejector fed, pressure verified, vented after set down
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-2026-000006550) never changes.
Identity and time
| Publication number | OT-2026-000006550 · never reused |
|---|---|
| Internal UUID | 01a0a95f-1afe-78a6-b13b-e5a97d7928b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:39:37.473619Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006550 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31c80801c26181099a3cb17bf80485c6fe199b25c3fd3a926fa492f1864095c3 |
|---|---|
| Markdown | 7cbacdf5a5b937d0905f7d5bdd382ff94d1108c95ad074adcea94091cbe12c3e |
| Publication page | dc80140d51dfdc61534822d4fb0940f36f47d9fed11618f6342d07bcf77d9a30 |
| Manifest | faa99717d46cf7a88ed35868eeaf33399ae07bbc3217592204838c03a8779086 |
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 | 31Rq3Bzn/QzZx2uRfDksP7oeO78LwvrJZV43HuQzZ3XcwDMY2R2DzpT7w7wonVQnMbhZ8258B3z35ltjAOtbBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:04.172878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006550observed dc80140d51dfdc61534822d4fb0940f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:04.159185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006550/manifest.jsonobserved faa99717d46cf7a88ed35868eeaf3339...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.146935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006550/publication.mdobserved 7cbacdf5a5b937d0905f7d5bdd382ff9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.133032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006550/publication.txtobserved 31c80801c26181099a3cb17bf80485c6...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. |
|---|