OT-2026-000005918
Publication integrity record
Vacuum cup gripper, two stage ejector, sustained blow off before set down, polyurethane cups
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-2026-000005918) never changes.
Identity and time
| Publication number | OT-2026-000005918 · never reused |
|---|---|
| Internal UUID | 01a0a949-2b98-7d62-bb3a-002d3a1fbd01 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:15:39.930480Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005918 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5de5164ccb8fc90f59fa715aa84af7ee6377260310b2fc72c4b293d0a7ead84 |
|---|---|
| Markdown | a151be4b5809558010c669a92ad10e96bed2564b93c05f0c78e318c2e240478f |
| Publication page | 4315b4dbaff3eb9ddca99a9e8a63b11eb0737be1c49d43445ac90b0e27b80540 |
| Manifest | e4e5d507c493840a8e892bfb1b69375a084204346d30a8df1bb95ab38c852015 |
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 | kFcV+IuGxWRpsu5vuxeHQV54NFYU1brLrwl5teDF3elf8Z0dckuiHLcAMfAo7bl7RNkr+PJ/ofdVLUMHtZqgDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:17.648768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005918observed 4315b4dbaff3eb9ddca99a9e8a63b11e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:17.631939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005918/manifest.jsonobserved e4e5d507c493840a8e892bfb1b69375a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:17.514712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005918/publication.mdobserved a151be4b5809558010c669a92ad10e96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:17.489267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005918/publication.txtobserved e5de5164ccb8fc90f59fa715aa84af7e...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. |
|---|