OT-2026-000055405
Publication integrity record
Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000055405) never changes.
Identity and time
| Publication number | OT-2026-000055405 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a101-7863-b1e2-a75fc10efdd9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055405 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2f4e7fb2724a1b717215e096b4f7610239a58b3199fdbf1c9745b71849b384e |
|---|---|
| Markdown | f85bcd75b54fe6c646d3c01616e0ecacd640920e09f71aa14a83b29624e73970 |
| Publication page | 86f93f5f7c94ebc1c9aba3d3046948cd17d38197d5b1c30f441af006139200c1 |
| Manifest | 800ed4ab5ce65fec76fc09555d659c919c49dcc433e388ffdb139bffc51cc2b1 |
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 | CdZYZU0zHDJSnPhPUQkg/drBKpEIf+D/3BDslluxJcFFP4NkQ2fg2ZkOXqPN62rms84JtzY4gNsx5lr8ZY77AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:52:02.797293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055405observed 86f93f5f7c94ebc1c9aba3d3046948cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:02.779773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055405/manifest.jsonobserved 800ed4ab5ce65fec76fc09555d659c91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:02.762762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055405/publication.mdobserved f85bcd75b54fe6c646d3c01616e0ecac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:02.745606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055405/publication.txtobserved d2f4e7fb2724a1b717215e096b4f7610...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. |
|---|