OT-2026-000049942
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049942) never changes.
Identity and time
| Publication number | OT-2026-000049942 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd77-79fc-b727-407e2313f1f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049942 |
| Status | PUBLIC |
Content hashes
| Canonical text | e91706ccb46dcfed41b97fce9f3d916cf81820a9325c450e6d6ca845ffc43436 |
|---|---|
| Markdown | c63edcf8c4c122afcfcca0cf33aa5d2ab72e54964702803a70bfea899139c9d1 |
| Publication page | 23d5765b07546fa274636135074441143fbdf3c96345b28ab82b4005362c8881 |
| Manifest | ff6b85d5c30e00020e219c8eec05421e06cba965600a5e90b8b881a40af8562c |
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 | DsAJUqfGF9Cgdnv0/CqqizyzCNNldZxdK2VM9hbEGwSxMq6RVx5/Wul66nJFLtbO7bgtpwlpR3NkMq54rcXTDA== |
| 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
| 2026-10-31T04:23:36.137023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942observed 23d5765b07546fa27463613507444114...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:23:36.122317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/manifest.jsonobserved ff6b85d5c30e00020e219c8eec05421e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:23:36.107810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/publication.mdobserved c63edcf8c4c122afcfcca0cf33aa5d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:23:36.082396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/publication.txtobserved e91706ccb46dcfed41b97fce9f3d916c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:52.772686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942observed 23d5765b07546fa27463613507444114...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:52.753774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/manifest.jsonobserved ff6b85d5c30e00020e219c8eec05421e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:52.733707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/publication.mdobserved c63edcf8c4c122afcfcca0cf33aa5d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:52.713541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049942/publication.txtobserved e91706ccb46dcfed41b97fce9f3d916c...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 |
|---|