OT-2026-000090980
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000090980) never changes.
Identity and time
| Publication number | OT-2026-000090980 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-79db-9ba3-51d275a73607 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83c04cbea8b0c9d08fcf5f0a56aca3d709fe77de6ca47341f727494494917988 |
|---|---|
| Markdown | 0fbbac5c6678edf2f616dde69816440ea80fbdea5c7cc3d4ef2652f2e2fd2ed3 |
| Publication page | 3e3593b55de9ca2d6d4c36e01d71524a00ba1f501a08ee22f5782a2fec52c8b5 |
| Manifest | 87bc7041435fa0415df045bbf1af5e08082a9da866cfff7467dacc3c2cf4c93c |
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 | tWVK0u+4cUqJV7oQkJaJ8uhIfP0o0bsZ1+DJ4NFBWqRpVO0bCxix20oy0JRicYnpTT1xw8kPgT5S4XJAoGUXCg== |
| 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
| 2026-09-17T09:44:12.480002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090980observed 3e3593b55de9ca2d6d4c36e01d71524a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:12.462733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090980/manifest.jsonobserved 87bc7041435fa0415df045bbf1af5e08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.445935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090980/publication.mdobserved 0fbbac5c6678edf2f616dde69816440e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.427235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090980/publication.txtobserved 83c04cbea8b0c9d08fcf5f0a56aca3d7...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. |
|---|