OT-2026-000077282
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000077282) never changes.
Identity and time
| Publication number | OT-2026-000077282 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-71c5-9c01-eeb08bde3a75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077282 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1dcfa6a3310781aa9e7bb1b3380569f734413b009bcbc2356f61d9b7c1955099 |
|---|---|
| Markdown | 28b023c544e816ff6812c4cbed36364c49943e9a533d852abe798c663b5e377f |
| Publication page | 5d45862b75793a768e63ba8cdea95551bbac0b82b5b9cd79c93a577a9e17e6df |
| Manifest | fb42bd54b57ad981023406f430088ac7243bc0bd0b38d4103c4bf9f2f19859a0 |
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 | m4jYgQHW4KfrEFfgDY66n7WcXtLjv77R995n8rbyzDW9G3mtjxTxLZjsxJHLFylfd0ZbF0z7B6QlBK+RLHEjCg== |
| 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
| 2026-09-17T10:08:54.973713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077282observed 5d45862b75793a768e63ba8cdea95551...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:54.953884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077282/manifest.jsonobserved fb42bd54b57ad981023406f430088ac7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:54.886622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077282/publication.mdobserved 28b023c544e816ff6812c4cbed36364c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:54.801840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077282/publication.txtobserved 1dcfa6a3310781aa9e7bb1b3380569f7...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. |
|---|