OT-2026-000090693
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090693) never changes.
Identity and time
| Publication number | OT-2026-000090693 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7bc0-bbf5-42cb2000bec4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090693 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52507b78fe9e831e1cf5735991ca6324ee41122f5806adf0415235fb376e2276 |
|---|---|
| Markdown | 21feb2587fbddb09026183909a6e8ae21a76cccc54f75345fd94160027b0a568 |
| Publication page | c224e4ef89873a69606977212a49536a4f15adffa13001f9d49eab490a0f1560 |
| Manifest | 981fb3c8cc6df5aebdf62b83fe2610a012d85b5e89b09da29c680db7e0a96b01 |
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 | 32paRWySjRlx4RCvTxauVedmSWNyP4TJGk94lkENJuxjXyDeQ6A/r8ErvqZY6VMKEfSz1yEe8b485p9eA/B8CQ== |
| 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
| 2026-09-17T09:44:53.632326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090693observed c224e4ef89873a69606977212a49536a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:53.613658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090693/manifest.jsonobserved 981fb3c8cc6df5aebdf62b83fe2610a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:53.592202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090693/publication.mdobserved 21feb2587fbddb09026183909a6e8ae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:53.573375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090693/publication.txtobserved 52507b78fe9e831e1cf5735991ca6324...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. |
|---|