OT-2026-000071721
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071721) never changes.
Identity and time
| Publication number | OT-2026-000071721 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e91-713a-85ac-db7ee775fbf9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 602f5d4f9b4037e55aefba7577f104e5a0417efa1789a4bea45fb579fd3f219f |
|---|---|
| Markdown | fdb1f97b91945770ce7b27253adec1d7ef2b5c5c5febaf31e195009c6266edb6 |
| Publication page | f89578d6f8b380292b4ca67dc2d47bdf6d0b77011b2c01dfb4cb788c81d1ad44 |
| Manifest | efc8a98172211ab2bf0897fc859bfddc584d0318f5cefb942a4b23a743714e18 |
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 | duFRN2Lge0EmQtJ8HsG1p0XZYOGiVJt+Epf7wL22Cw1UflaIRevpUa2iVBKnMG7cryHA6N3rx8FiBxTvkMtiAQ== |
| 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
| 2026-09-17T10:23:52.413459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071721observed f89578d6f8b380292b4ca67dc2d47bdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:52.397494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071721/manifest.jsonobserved efc8a98172211ab2bf0897fc859bfddc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:52.378991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071721/publication.mdobserved fdb1f97b91945770ce7b27253adec1d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:52.361966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071721/publication.txtobserved 602f5d4f9b4037e55aefba7577f104e5...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. |
|---|