OT-2026-000028488
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000028488) never changes.
Identity and time
| Publication number | OT-2026-000028488 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-76b1-a2d1-bf5cd0698edd · 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-2026-000028488 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf591cbe12848ff185772764fcf1ee7daa4d2bd412421b489a7604cbcb79aac8 |
|---|---|
| Markdown | ee78b614c64f95df0ff116cc660c04a02d1e2b61953539c3c9f68344da02e9ca |
| Publication page | 7c76f87582484169cdc63d7bdb34f9e26ee58d3706a6e45c41a501ceb5a3c92c |
| Manifest | d24d8039ffdc026ef43852d1cdd4ed2495e8366fd3b6e14badfff6f6ba6a3fab |
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 | SMJ1plIgN1Yo+XviIiDiRTV1mfcImyeLinubntPkJeXFsQ1aJ0/5Xxs58Z5vpNwh6VQOGln57OBTEz/vkS06Dw== |
| 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
| 2026-09-17T11:40:44.754334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028488observed 7c76f87582484169cdc63d7bdb34f9e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:44.735818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028488/manifest.jsonobserved d24d8039ffdc026ef43852d1cdd4ed24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.716706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028488/publication.mdobserved ee78b614c64f95df0ff116cc660c04a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:44.699673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028488/publication.txtobserved bf591cbe12848ff185772764fcf1ee7d...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. |
|---|