OT-2026-000042577
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042577) never changes.
Identity and time
| Publication number | OT-2026-000042577 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7631-bdd4-0e5e5a968b6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042577 |
| Status | PUBLIC |
Content hashes
| Canonical text | b6ed9e63aeb30dec585f5050a006cae2bc68e7291c65aa5be8a20ebd229098c7 |
|---|---|
| Markdown | a3aa351184748c0a5580487e772597f0f2d7a9426be40b1a52b3bbdf98462293 |
| Publication page | 44cd253c21b95c0055e172e1cbbced2e98670d0bcedb938c305ad33c9605a158 |
| Manifest | 40755bd171f6901aaee0a3c34718105cd2f0aaa7f7df57267c5cf4e85a451a69 |
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 | kkYgXy7fh1G/hOLHKsZJduKcZIofi1czqZC21DiDO4MXFbrBsuxlJmUqMwQEaqUa9FwVYB50glYcXynjvBHJAA== |
| 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
| 2026-09-17T11:14:17.613410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042577observed 44cd253c21b95c0055e172e1cbbced2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:17.593481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042577/manifest.jsonobserved 40755bd171f6901aaee0a3c34718105c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.573464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042577/publication.mdobserved a3aa351184748c0a5580487e772597f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.553523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042577/publication.txtobserved b6ed9e63aeb30dec585f5050a006cae2...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. |
|---|