OT-2026-000042890
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, 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-2026-000042890) never changes.
Identity and time
| Publication number | OT-2026-000042890 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-75f3-954d-3ef9f9bcb000 · 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-2026-000042890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bf01fdc449ed1bcf1aa5e3198f9282916b870aabae7168df4d5f1eb954cc526 |
|---|---|
| Markdown | 1432d81c54624025ecfe39726db02f009734ff2434a6c4ac1a47bc787c62d8d6 |
| Publication page | 5f75e0b24097a6ed65d051d2d94a378366c284cc9f297c5f430d722188042940 |
| Manifest | ebeab3f7f1317ba479d41cef01afdee066fa2f117de3860fcb5bf0ed954bccb6 |
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 | pvRzMjTfi5kZkQY3epA2AQu4HBMSzMqYxtqo9Onkj2Ch4cgeuqDvV2IX6WiD2Tecw3/9Zwzo2rAwFwYotJ0YDA== |
| 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
| 2026-09-17T11:15:23.649472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042890observed 5f75e0b24097a6ed65d051d2d94a3783...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:23.630999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042890/manifest.jsonobserved ebeab3f7f1317ba479d41cef01afdee0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.608971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042890/publication.mdobserved 1432d81c54624025ecfe39726db02f00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.588565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042890/publication.txtobserved 2bf01fdc449ed1bcf1aa5e3198f92829...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. |
|---|