OT-2026-000019893
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000019893) never changes.
Identity and time
| Publication number | OT-2026-000019893 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7b2d-9a98-e09ffbedf27d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019893 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9122cf807ed6533b7bc187c0b9e796345f09eaf19e0f4b8ba1f3d7dce4548f08 |
|---|---|
| Markdown | f4c843e54f67e1d72119371f6fc6630cd4e839b7e0297d9f7dd2e263b4e9821e |
| Publication page | ef6f1d596bba367a14784343b33b4e7a49c3283590c556e8e01daae6bb93a7b6 |
| Manifest | 00756972a21ae297aa4b60ec0913e3426e15454e927b9fd2e97ad12c7a02c0e8 |
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 | go48eewJbxIh9y0EbzAjEQe6Mby1xjHrgA1+nM0t9/p2/GEdfo5Fl1ctYlkPfp1E2vh1mxGYctffsLKFcYHXBg== |
| 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
| 2026-09-17T11:58:06.064112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019893observed ef6f1d596bba367a14784343b33b4e7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:06.045698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019893/manifest.jsonobserved 00756972a21ae297aa4b60ec0913e342...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.025502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019893/publication.mdobserved f4c843e54f67e1d72119371f6fc6630c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.007886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019893/publication.txtobserved 9122cf807ed6533b7bc187c0b9e79634...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. |
|---|