OT-2026-000042190
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump 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-2026-000042190) never changes.
Identity and time
| Publication number | OT-2026-000042190 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7138-a3e9-36fd562a374a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042190 |
| Status | PUBLIC |
Content hashes
| Canonical text | 028222e16b596cdac4daba9c9e7b41850ce7349cbe2792c07a57a98810f0cba9 |
|---|---|
| Markdown | 5f89e222a85a86a13b8ef93007ba31298c363b6403a1fb48597b2ed0bd1a0398 |
| Publication page | 82b973df672d531a12fbcd48e128791508c388ef2ae7105b45be533db58ce5bc |
| Manifest | 3cf52bc03e9467da4ab8e95ab67adcfcf543b8226237ba25f71f84417263dffa |
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 | KLu72NjY6uCL5zgY2eCLBWo3ybRyveGXzutUqKHP/3qq28Un3wb7nxWjBXOnmLD1s0v7KJ3s8rbXJIMEkDPGCA== |
| 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
| 2026-09-17T11:15:51.225614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042190observed 82b973df672d531a12fbcd48e1287915...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:51.204628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042190/manifest.jsonobserved 3cf52bc03e9467da4ab8e95ab67adcfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:51.185461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042190/publication.mdobserved 5f89e222a85a86a13b8ef93007ba3129...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:51.166521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042190/publication.txtobserved 028222e16b596cdac4daba9c9e7b4185...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. |
|---|