OT-2026-000078772
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, vented after 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-2026-000078772) never changes.
Identity and time
| Publication number | OT-2026-000078772 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbc-7e45-9260-f497f89b0656 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078772 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5d717071ca2e7f1508ee794da8f73a67113abb437e1800c6b49d5f9db13d583 |
|---|---|
| Markdown | 1f00946a2165df6a791c5707780ff5e9ceb56d8af11e36d5a185ad0085dac1ab |
| Publication page | e6f9b06748b877f292b0865da03dc2c4a335201ecb979bbe724ec24be8ee5acc |
| Manifest | f1ac5dd4734f14ff2805730e70a37594cbe3f664b3cbabed93c8f571ab7566b7 |
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 | hIVyCoB3VuXKBp4flHmoyoRQCF0NUDzkz33PaIQKmb8s2s8NurC0f/LEbyK0C4HvIwYuJeTFIQW9+iSOoPTeDw== |
| 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
| 2026-09-17T10:05:21.167258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078772observed e6f9b06748b877f292b0865da03dc2c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:21.148267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078772/manifest.jsonobserved f1ac5dd4734f14ff2805730e70a37594...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.124783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078772/publication.mdobserved 1f00946a2165df6a791c5707780ff5e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.005515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078772/publication.txtobserved f5d717071ca2e7f1508ee794da8f73a6...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. |
|---|