OT-2026-000030052
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-2026-000030052) never changes.
Identity and time
| Publication number | OT-2026-000030052 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac4a-7edf-8d73-6ec4c1509ab3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030052 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ca93b7342f70b699a6cefd13dcc58790c96f853bd433d7efa7823c9a0e6e399 |
|---|---|
| Markdown | 6381373a5d468f1cec5c7aee0f931732fe36b875de88356c3747063afe28c07a |
| Publication page | 9672aea6ff8de14f849c9c6f8d66a0e90ff017517cbf209f47fedad88c4c0814 |
| Manifest | 39d0e98e7108401b43cfcffb02c9b60b7642cac9c0b7e9dd926860fe8970525d |
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 | u7NJqVaiRpATNpr8mlle/blUVnBRmT1h6Sm5ZIjmqLVhh+3xkXfx6LRc3B42zboslEEng3kHSlREW8eaCkHKBg== |
| 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
| 2026-10-31T16:41:04.515654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052observed 9672aea6ff8de14f849c9c6f8d66a0e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:41:04.450060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/manifest.jsonobserved 39d0e98e7108401b43cfcffb02c9b60b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:04.403227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/publication.mdobserved 6381373a5d468f1cec5c7aee0f931732...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:04.350123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/publication.txtobserved 3ca93b7342f70b699a6cefd13dcc5879...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:34.714949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052observed 9672aea6ff8de14f849c9c6f8d66a0e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:34.627223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/manifest.jsonobserved 39d0e98e7108401b43cfcffb02c9b60b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:34.543022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/publication.mdobserved 6381373a5d468f1cec5c7aee0f931732...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:34.378873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030052/publication.txtobserved 3ca93b7342f70b699a6cefd13dcc5879...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|