OT-2026-000021632
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000021632) never changes.
Identity and time
| Publication number | OT-2026-000021632 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7ca5-ab9b-5a58a995042e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021632 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9e69ad2278a7abc026d47e526b076cd5fb9aee715afe72493d0678d3d1e3571 |
|---|---|
| Markdown | 960bc117583d2019a72c35fbea1b522882f9a974baf844fd51b1783c9fb2fe02 |
| Publication page | 8ca3341a4ada689ad3cfc920ad113b3e2f70bdde91761f7e3efb128b4cfefede |
| Manifest | a4e3f7b37196816d141ec659c986fe22be1d67f2548c86863d84fa5a3c635af8 |
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 | Lk7dmWXTODNeaWZfwVssbyD0Zyf0c7N443QVa/hsk+V8U77Zlh5w3dM9eY2wiYjIQR4J7ggsWeiIsKUOD9uzCA== |
| 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
| 2026-10-18T00:41:19.110245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632observed 8ca3341a4ada689ad3cfc920ad113b3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T00:41:19.064791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/manifest.jsonobserved a4e3f7b37196816d141ec659c986fe22...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:18.983419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/publication.mdobserved 960bc117583d2019a72c35fbea1b5228...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:18.849688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/publication.txtobserved b9e69ad2278a7abc026d47e526b076cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:21.871660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632observed 8ca3341a4ada689ad3cfc920ad113b3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:21.855242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/manifest.jsonobserved a4e3f7b37196816d141ec659c986fe22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:21.792935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/publication.mdobserved 960bc117583d2019a72c35fbea1b5228...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:21.747479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021632/publication.txtobserved b9e69ad2278a7abc026d47e526b076cd...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 |
|---|