OT-2026-000028339
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed 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-2026-000028339) never changes.
Identity and time
| Publication number | OT-2026-000028339 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-767c-b76d-02a14a36df5e · 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-2026-000028339 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7222fc0319fdd31a69c68d392d01d1154ef2f7419d61da32da2bebdd3f5110d |
|---|---|
| Markdown | 0401e61c45ddb46a3c7b1e01fe9dddcc91e7d78af96c3ac1cc1f3df7a2025b48 |
| Publication page | e4751d096a2bc6ce4c24d8f8101904c498a2072ad724a0669b8d525260b068dd |
| Manifest | 6139f68f979f30d08b9d3fe9fd52516e41bd522415335c02e17689c52064e3c3 |
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 | sXY/VVF2KjE7wK8+zxE0fe3fK6sV/cQmckvA50fMJuMWxi04bC0xhgXnj86xKuD+FrAyLiwZopi6YHWQQXe/Bw== |
| 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
| 2026-10-24T12:41:59.144734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339observed e4751d096a2bc6ce4c24d8f8101904c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T12:41:58.997366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/manifest.jsonobserved 6139f68f979f30d08b9d3fe9fd52516e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:58.926826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/publication.mdobserved 0401e61c45ddb46a3c7b1e01fe9dddcc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:58.827221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/publication.txtobserved c7222fc0319fdd31a69c68d392d01d11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:30.301396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339observed e4751d096a2bc6ce4c24d8f8101904c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:30.282719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/manifest.jsonobserved 6139f68f979f30d08b9d3fe9fd52516e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:30.264941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/publication.mdobserved 0401e61c45ddb46a3c7b1e01fe9dddcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:30.167894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028339/publication.txtobserved c7222fc0319fdd31a69c68d392d01d11...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
| 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 |
|---|