OT-2026-000028456
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before set-down
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-2026-000028456) never changes.
Identity and time
| Publication number | OT-2026-000028456 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7687-b393-9491b5d10534 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028456 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79419be6233e794e5f80b9548aec3ffa3b03aae19f293ccc3b2e54f83808a69a |
|---|---|
| Markdown | f2dc76c0b22ae5ded47b42b842685cf825ab1ab63c7805b24bf85d1bd489a8e0 |
| Publication page | 10910bbf17ea5a0245b62cb3b200324ec98b68a2ed6edf37a6f52621a696a47e |
| Manifest | aae8ba4259d70afbd912cbbe453bd0f2130e636da0e799914b6dd87c133352ad |
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 | aE3YE/7b3s80rK1ZD61k5FYOGmEvEbPznZttK8L5zx5yUwrps6oGkAg7kNbhjYjd3VY8Z/mgHdojIzANvVlWAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:35.826673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028456observed 10910bbf17ea5a0245b62cb3b200324e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.807122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028456/manifest.jsonobserved aae8ba4259d70afbd912cbbe453bd0f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.787761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028456/publication.mdobserved f2dc76c0b22ae5ded47b42b842685cf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.768519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028456/publication.txtobserved 79419be6233e794e5f80b9548aec3ffa...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. |
|---|