OT-2026-000028731
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028731) never changes.
Identity and time
| Publication number | OT-2026-000028731 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7e56-a886-b38d1e21ca12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 07067a83661fad0a6a6813a590f7d84fccb49e532652a74c5465edbca4d30d1d |
|---|---|
| Markdown | 55e492e5c22d0ac5fc4275fa7c7b5245d9a0b930c9585d1d7a710ad297391044 |
| Publication page | ead81627cab32b0a6370c96f55e9826419186e47b8b39ebf53cd23c3a57f8f88 |
| Manifest | 179f466294d914b8eb346d6a2b3056fda12721a9d09598132279d7ba5e3ecd84 |
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 | U6uKZwlSmfv9oDn4GhL4a+bdV967fMeqTxO7ibD6AjctUOTYCUa9oBjjR61Lg7ePdSbpT/gCX1BA6MgtbpiECA== |
| 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
| 2026-09-17T11:41:44.605052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028731observed ead81627cab32b0a6370c96f55e98264...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:44.584575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028731/manifest.jsonobserved 179f466294d914b8eb346d6a2b3056fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.559618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028731/publication.mdobserved 55e492e5c22d0ac5fc4275fa7c7b5245...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.541848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028731/publication.txtobserved 07067a83661fad0a6a6813a590f7d84f...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. |
|---|