OT-2026-000075421
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075421) never changes.
Identity and time
| Publication number | OT-2026-000075421 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f201-7edb-92b1-003508ce5156 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5987f094b6b22ef93b9117ce2ba5388d412a75f501f38e0ba85aa0f6d920762b |
|---|---|
| Markdown | efb61ae20c9d4ebe86f38bfe7f7d22fed03252686fe36f020351a1e504ccfde1 |
| Publication page | ed79a7c8a7d659e5ade484743cd4f750f7a36cbbef3a4df9db097f2331178915 |
| Manifest | bab3a5a1d65e158571fb511a170f4ff82ad482c33686189c9b0daea5159163ed |
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 | 33C6sEOGjD8QocmhgWHrplcn3Nzal12pXd+Ab6hJ9M/UPyZrvsjWPTNSNuiMmidT40SRMx5p67h8XQszai8qCQ== |
| 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
| 2026-09-17T10:17:34.794869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075421observed ed79a7c8a7d659e5ade484743cd4f750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:17:34.775642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075421/manifest.jsonobserved bab3a5a1d65e158571fb511a170f4ff8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:34.758073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075421/publication.mdobserved efb61ae20c9d4ebe86f38bfe7f7d22fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:34.739587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075421/publication.txtobserved 5987f094b6b22ef93b9117ce2ba5388d...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. |
|---|