OT-2026-000028019
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down
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-2026-000028019) never changes.
Identity and time
| Publication number | OT-2026-000028019 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7eac-a937-cabc8317cb91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028019 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fa31fbdce7b71deee93ba40b78b200cd852a5e3652b3c9fc50647a9e24257eb |
|---|---|
| Markdown | b1ef8cb69d86705bc3aa8dab09806a1aa1e4ef97f7d1909d939acbdea8b3bb18 |
| Publication page | 36b17cf378a0c2560261f73951fe4a9717a3cf474eef7cad78b52d0c78a9e2a3 |
| Manifest | d2c012a12e3867e5390edfebdfd8c7c50f5a23bc272376218d63b95d4fec4ab8 |
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 | 3odIefcadzFzoKWGY5q0Xe5jKxeLrqBswOe3xeUkecq7CDvpBg+6cWIYxLlRM8SZPNLGRUW+Hwi0NUSguDdGCg== |
| 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
| 2026-09-17T11:42:10.193564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028019observed 36b17cf378a0c2560261f73951fe4a97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:10.177259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028019/manifest.jsonobserved d2c012a12e3867e5390edfebdfd8c7c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.160386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028019/publication.mdobserved b1ef8cb69d86705bc3aa8dab09806a1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.144851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028019/publication.txtobserved 6fa31fbdce7b71deee93ba40b78b200c...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. |
|---|