OT-2026-000072448
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000072448) never changes.
Identity and time
| Publication number | OT-2026-000072448 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-75a5-a7b9-da9763b01aa8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28ec65eb1d7a2b8f64955a0831857bceb9e3c43ff9420214110876cf6e43853c |
|---|---|
| Markdown | 06f497771e14cbbaa519b9c84a5f371ca44964106c629939d1db91bad1fb9cd4 |
| Publication page | 87532b84c1043ddb4303fa177aacc697a56b612c3e849a274a7a9500e6089a7d |
| Manifest | 592ebf328ff55003c68aa921e594a68acae3a637be3679913c3ddffc9e80f35d |
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 | hx2WwQFt20qYhelheJ4FpTxRVwNbzplSJUzTi4lf13tr5EX0ohfOvnKeNlZXjsEXZDkh+HOUuXOdh73Ut3OLBw== |
| 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
| 2026-09-17T10:22:16.078873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072448observed 87532b84c1043ddb4303fa177aacc697...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:16.059080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072448/manifest.jsonobserved 592ebf328ff55003c68aa921e594a68a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:16.042089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072448/publication.mdobserved 06f497771e14cbbaa519b9c84a5f371c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:16.026091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072448/publication.txtobserved 28ec65eb1d7a2b8f64955a0831857bce...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. |
|---|