OT-2026-000090547
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000090547) never changes.
Identity and time
| Publication number | OT-2026-000090547 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2f-782c-a0c2-768a4bd7093b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090547 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83ec277d075240ac2b8471e020ac483a961fbdc10f2ad3ae198ac335f1c60b60 |
|---|---|
| Markdown | eddbf5390010dda93e1f4b1847beb58651b793a5fc8d78fcc68af74369257a8e |
| Publication page | 088bc4428bc5d0731507d251c30c0f97ef64043b42435b6b34847a7239f6fe9d |
| Manifest | 8e2b06165f863ce93563a88dcf8dcb8ebcb65a29e08f651db6f0d0420817dc65 |
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 | a8qe3uxWNb288w6Dmo6vBBoV+uGJlj7HeO52Oiv/mm6gA393AHAXP0k9yRB+ROasClWc/pb48P+/5dNa2ZfHBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:43.172196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090547observed 088bc4428bc5d0731507d251c30c0f97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:43.157242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090547/manifest.jsonobserved 8e2b06165f863ce93563a88dcf8dcb8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.140555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090547/publication.mdobserved eddbf5390010dda93e1f4b1847beb586...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:43.124912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090547/publication.txtobserved 83ec277d075240ac2b8471e020ac483a...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. |
|---|