OT-2026-000004121
Publication integrity record
Bellows cup vacuum gripper, four zone face, three outlet manifold, plant vacuum fed
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-2026-000004121) never changes.
Identity and time
| Publication number | OT-2026-000004121 · never reused |
|---|---|
| Internal UUID | 01a0a90f-3509-7be2-a054-518e437b03bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:21.259367Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004121 |
| Status | PUBLIC |
Content hashes
| Canonical text | b57b29687705f28d848b4867d9bf2463962b7ada49e28b2a9231ccb584d1985c |
|---|---|
| Markdown | 1f2274754ed593a1dd8aa42991113c0ac9daab0e75df8d0a8a058c88328c4437 |
| Publication page | c88f704e26e56a1fc0066bbe8bdba68c7be8e996f3cb2ff34d575ab3a4a9f251 |
| Manifest | d1acdf6f8795bfcb0202dd7895df3c616a359d028f338da7a0c215195e45aecc |
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 | LJE3ntWdPvIIEJ/BcDl1HW1SY1bNEtL+P6UUf7d6EMwcsRHK6Z7Jh0RRHbHgPR6jQoevuPcqigU1sX4Z3b8UDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:34.199390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004121observed c88f704e26e56a1fc0066bbe8bdba68c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:34.184787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004121/manifest.jsonobserved d1acdf6f8795bfcb0202dd7895df3c61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.171983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004121/publication.mdobserved 1f2274754ed593a1dd8aa42991113c0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.157027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004121/publication.txtobserved b57b29687705f28d848b4867d9bf2463...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. |
|---|