OT-2026-000087877
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087877) never changes.
Identity and time
| Publication number | OT-2026-000087877 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa5-70a0-835a-7688240cb68c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087877 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbe5fe6c404e2fe693828268fae4e08860d20af2cbd8131350cb9f608cec490c |
|---|---|
| Markdown | d28a385ee5b9d1ea6fbfa4d51ae46f38f6945f1c7c01dcf5293f3606569cabcc |
| Publication page | b0012aab02bc2fb4f21d704eadc1204e9d5db8af7a001c824590118ef4c692db |
| Manifest | 7bfbcdd3b835c0bb7b4406d653a748ad1d03d82ba119e417f07ab0114d4f9bf9 |
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 | 1aVlbjc3twcxnGSAL8Gx42cb4r2PKVW8X7whDOwEzZ0HAdW8AXOvxwj8boSQli3UsuBrp7oQapbBsqHY117fBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-15T00:41:49.754206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877observed b0012aab02bc2fb4f21d704eadc1204e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T00:41:49.666261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/manifest.jsonobserved 7bfbcdd3b835c0bb7b4406d653a748ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:49.559179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/publication.mdobserved d28a385ee5b9d1ea6fbfa4d51ae46f38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:49.400871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/publication.txtobserved bbe5fe6c404e2fe693828268fae4e088...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:08.790653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877observed b0012aab02bc2fb4f21d704eadc1204e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:08.683302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/manifest.jsonobserved 7bfbcdd3b835c0bb7b4406d653a748ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:08.605117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/publication.mdobserved d28a385ee5b9d1ea6fbfa4d51ae46f38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:42:08.507686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087877/publication.txtobserved bbe5fe6c404e2fe693828268fae4e088...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 |
|---|