OT-2026-000090551
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000090551) never changes.
Identity and time
| Publication number | OT-2026-000090551 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-78b9-ad1c-1c4aefc4aea7 · 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-2026-000090551 |
| Status | PUBLIC |
Content hashes
| Canonical text | 178c8ac440369720ad385b63f6a760a91bc59b1dc98ddd2075cf4a1805fa9121 |
|---|---|
| Markdown | f5564ec52ee0658bab62b90f6ff43cbff71b0ff9061464e0c63671968bd97956 |
| Publication page | feb38cf4b01fae50946ba37444ecb1226e9daa80d4d11e8e79a532ed51128843 |
| Manifest | 604672db43d4bdfe9399b4eee2c98ed38b00f95b10aafa4f1faf112b642b7f60 |
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 | MOUWsfb9Xzdk6eXR7Y5gIbnf0sMbxbdwH292JCutBbBjladqLDfVXjTe+mV2j73PvYuVX/ywmQy3XuDPpo3xBQ== |
| 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
| 2026-09-17T09:44:43.457305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090551observed feb38cf4b01fae50946ba37444ecb122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:43.439891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090551/manifest.jsonobserved 604672db43d4bdfe9399b4eee2c98ed3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.422614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090551/publication.mdobserved f5564ec52ee0658bab62b90f6ff43cbf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.404989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090551/publication.txtobserved 178c8ac440369720ad385b63f6a760a9...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. |
|---|