OT-2026-000072756
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000072756) never changes.
Identity and time
| Publication number | OT-2026-000072756 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89da-7c91-a59f-5e6891f7bbe2 · 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-2026-000072756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c871457f234042b27b6d6c3845b9ceea59fa37d7f66851334840dd73e1fafa9 |
|---|---|
| Markdown | fbe39a4cbb1928bc53c3cbc10b8d3e709cea3f272a6496d15de979b86bffc8d6 |
| Publication page | 5dd89ba55bc3d9bc56c2eb3dcbb02ff02249382fe44b7ef7aac6b867a8003550 |
| Manifest | 654afa1bf6dcb567ff85e68677c321e621a6d02f2266eff35a7799acc67e7fe7 |
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 | UzaIzeBxu/r4kE0pH79Rs4KgcFD+JTF8ER/VPf5eJ08llDkxFcolUacXmPmYIYmk93NqVkvD77yJPCoYf1aNBA== |
| 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
| 2026-09-17T10:22:39.700366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072756observed 5dd89ba55bc3d9bc56c2eb3dcbb02ff0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:39.683071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072756/manifest.jsonobserved 654afa1bf6dcb567ff85e68677c321e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:39.666874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072756/publication.mdobserved fbe39a4cbb1928bc53c3cbc10b8d3e70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:39.648041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072756/publication.txtobserved 5c871457f234042b27b6d6c3845b9cee...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. |
|---|