OT-2026-000021786
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000021786) never changes.
Identity and time
| Publication number | OT-2026-000021786 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7384-97da-53f85483e470 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021786 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94085a196218fedac71232ca539f4d0d41ff8d2c8e7da09617b40d1df0751920 |
|---|---|
| Markdown | 0526444c218ef699f7acbb7fcd6d890980778c39a97000c8a3bf17fe802d09bd |
| Publication page | 2f258510d447cbfc861317edfe7d9efec1cf53270b7b2c7401046866fb88ca97 |
| Manifest | 58b442f59bb9ee36f3083474d298ee65262f08c9546e612d8696cb4bea52649a |
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 | sUWk9q2Z5X35/K/62G+Tzeo1y7io9hcxcaFzex7r35jGsdtmJuWd6Jmx8B9FRsnQ0LTpRr++/ZzHiysDpcnfAw== |
| 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
| 2026-09-17T11:54:20.154840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021786observed 2f258510d447cbfc861317edfe7d9efe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.135188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021786/manifest.jsonobserved 58b442f59bb9ee36f3083474d298ee65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.117624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021786/publication.mdobserved 0526444c218ef699f7acbb7fcd6d8909...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.096608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021786/publication.txtobserved 94085a196218fedac71232ca539f4d0d...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. |
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