OT-2026-000020491
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000020491) never changes.
Identity and time
| Publication number | OT-2026-000020491 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-722c-a598-8d2979a75ad5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020491 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd50b3a12307a107bf473d4272a9c286531caa72e726e96227b5d986494a69ab |
|---|---|
| Markdown | 426ace7247a0b7002e756481a1bb67ede1d7211ac8c3708198fbad6ba35f3f4d |
| Publication page | 4afd785ac109c60de5aa84904ed5253a2dfed706318ba52341eefe145c9b58ee |
| Manifest | 147fe820ab65437399422711aa019e5507525e2ea8bc79f7b52674dece7f7869 |
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 | JEmvQJvStJNyrTXIGjKiVYmUPzE0x9PL/bVx57JX3L2LKh7bf/aIBzI23eJ84wnLNm/K66b7eerFVq6dZwrZDw== |
| 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
| 2026-09-17T12:00:26.603088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491observed 4afd785ac109c60de5aa84904ed5253a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:26.582275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/manifest.jsonobserved 147fe820ab65437399422711aa019e55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:26.559658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/publication.mdobserved 426ace7247a0b7002e756481a1bb67ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:26.540815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/publication.txtobserved fd50b3a12307a107bf473d4272a9c286...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.961743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491observed 4afd785ac109c60de5aa84904ed5253a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.943246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/manifest.jsonobserved 147fe820ab65437399422711aa019e55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.926709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/publication.mdobserved 426ace7247a0b7002e756481a1bb67ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.910344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020491/publication.txtobserved fd50b3a12307a107bf473d4272a9c286...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. |
|---|