OT-2026-000019554
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three 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-2026-000019554) never changes.
Identity and time
| Publication number | OT-2026-000019554 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7f7a-b1e8-eaaf17830241 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e055ed33d8c5649c9320b9409b0e7d91edecb22b5caecfee84ddb1a79ab828a |
|---|---|
| Markdown | 9581e807c822817b0b7400f7a1829637f24695c82bb9512acb674eb78c60857a |
| Publication page | 26e0d4fa67f882e579daffae08e4a2ffe3838f94f305b08b115a5c5f1e2dc1d8 |
| Manifest | 9bf72d82157bb0e06d94c41b1e8e353a78b571d92a4cdf75991fae9081873fdc |
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 | vvxO9g/hu84YhaLYH2WSwtRpK3q8sYbvt1GQHa6s2T2DBwBe4QtvSh8AY4+kRIeGto7I5UpVTvznC9wBWh0JCw== |
| 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
| 2026-09-17T11:58:59.838205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019554observed 26e0d4fa67f882e579daffae08e4a2ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:59.818749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019554/manifest.jsonobserved 9bf72d82157bb0e06d94c41b1e8e353a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.800872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019554/publication.mdobserved 9581e807c822817b0b7400f7a1829637...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.784011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019554/publication.txtobserved 9e055ed33d8c5649c9320b9409b0e7d9...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
| Custody package | Pending Custody packages are produced weekly. |
|---|