OT-2026-000090637
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000090637) never changes.
Identity and time
| Publication number | OT-2026-000090637 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-74ac-ab89-b975829843f0 · 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-2026-000090637 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64e21c5bafea2cf51c9f4a739906bcde9f1d0ab5df765c836c361ba4df6ef5c0 |
|---|---|
| Markdown | c850cd287d8875c0da6d983c2f0120eb8cbe3b9766b96bee234c2acb92427281 |
| Publication page | b3d1ae63e7ad96c4942c06109df4767845ed70043c153eb9fe1d1981edca989c |
| Manifest | dc27a4e808b788f30bd75d35468e7a51a1348d3cd3090e57cff5e75a96ef46ad |
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 | djJhNz79DBXVo8S5Ym8RSrM1Bg01eXiSbOicOdkC0lXUhWZUrQa6qcRE5KhAVRchlfh8fCk98W1wDK9bLIGGCg== |
| 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
| 2026-09-17T09:44:49.400121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090637observed b3d1ae63e7ad96c4942c06109df47678...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:49.381975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090637/manifest.jsonobserved dc27a4e808b788f30bd75d35468e7a51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.364792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090637/publication.mdobserved c850cd287d8875c0da6d983c2f0120eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.348623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090637/publication.txtobserved 64e21c5bafea2cf51c9f4a739906bcde...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. |
|---|