OT-2026-000020288
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000020288) never changes.
Identity and time
| Publication number | OT-2026-000020288 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7b7c-a767-20725c49d35f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020288 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e884bd41ced9d19323c606491a28bbb16d1c34fd1c3992fd5cdba6e9a067969 |
|---|---|
| Markdown | 420445c3f7c5053c686ce90ca9c2ca2663a3fb34c0e3b84dbcff45e0109d8086 |
| Publication page | f4c2d53bb7fdbeabe62b759e7e201bcfe954a4474d62eae610e1a4182354e662 |
| Manifest | 41904c4378bf08f32578805272ea948919adf0f88cd120c7897c9fbfa80a0486 |
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 | NFp65UumSzPPk46vXTi9KYHMztLtXhatr3App5FpQxXGizfoJuvvsomTgj7Iumxj4R+X+vsfPcjVrsfhSaXcDw== |
| 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
| 2026-09-17T11:56:38.669812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020288observed f4c2d53bb7fdbeabe62b759e7e201bcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.650205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020288/manifest.jsonobserved 41904c4378bf08f32578805272ea9489...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.632306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020288/publication.mdobserved 420445c3f7c5053c686ce90ca9c2ca26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.614451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020288/publication.txtobserved 6e884bd41ced9d19323c606491a28bbb...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. |
|---|