OT-2026-000028768
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump 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-2026-000028768) never changes.
Identity and time
| Publication number | OT-2026-000028768 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-76b5-99b4-9c3b278b24c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028768 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3385f6c02d64e03a3a7e7e46251b254176d95b725c2443a2bf7168cf6c88ce2 |
|---|---|
| Markdown | 07a0aa481ddd1de6d5f8b5b8650553282ac9acbb3a6787d983854bc867d425ef |
| Publication page | 2fc86888b77520094cc44730b8181d5664cfab54a707bf6d66e379531a89b14b |
| Manifest | e661a2afbf515d9eee49b37608aed6f7eb657a19f60bfe88b86dc43335f6d98e |
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 | fxgJ0YoeKeyIJ2FKMR7BOvwc+gEUCBB+tZnjrUyY/oVyf5Yk7ANilLKtoQSdw529bslquHA3ZLcFrHe6k+PGBg== |
| 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
| 2026-09-17T11:39:59.364800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028768observed 2fc86888b77520094cc44730b8181d56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.346647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028768/manifest.jsonobserved e661a2afbf515d9eee49b37608aed6f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.324299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028768/publication.mdobserved 07a0aa481ddd1de6d5f8b5b865055328...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.307064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028768/publication.txtobserved e3385f6c02d64e03a3a7e7e46251b254...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. |
|---|