OT-2026-000028536
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000028536) never changes.
Identity and time
| Publication number | OT-2026-000028536 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7d24-991c-bebe69e4776e · 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-2026-000028536 |
| Status | PUBLIC |
Content hashes
| Canonical text | c75dabcdb2d4db6abb7961d579464929037edc259dd5ee9796b56607cda994b8 |
|---|---|
| Markdown | b7610033ec6860fc9a655037fa4aa948751383f358d016b05130946a7084e425 |
| Publication page | 4f881d62ff9ec0513e99018bbcd9095df3b31dc56eeeec3896078de44b19dd72 |
| Manifest | ce7af95e3332d6bd68598e5a709257034ec7dffd6793df8149a172716fe84d97 |
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 | bV/jBI6Qks/qShUq+qA0DGko7qcazZZ6ha/B4/9Y5xJQlgcqEbdDxn1erF5SCojALXJB7ot/9/VNPcZmpfm2AQ== |
| 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
| 2026-09-17T11:40:48.656144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028536observed 4f881d62ff9ec0513e99018bbcd9095d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.638326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028536/manifest.jsonobserved ce7af95e3332d6bd68598e5a70925703...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.618726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028536/publication.mdobserved b7610033ec6860fc9a655037fa4aa948...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.601146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028536/publication.txtobserved c75dabcdb2d4db6abb7961d579464929...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. |
|---|