OT-2026-000019844
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000019844) never changes.
Identity and time
| Publication number | OT-2026-000019844 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-796e-a0d8-dc04a91c2563 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019844 |
| Status | PUBLIC |
Content hashes
| Canonical text | adc61d39ca7e8839961110b03438e8646992dd46a39857eff0627747699df391 |
|---|---|
| Markdown | ff160c5357ef40be36e57e4eb24383e1faf5f5917fc24828951c88b01d042d4f |
| Publication page | 22a4b74923db6c3315418d03cce523f6cffaa2cb5608a652b2a9cb145d3a28ec |
| Manifest | 605503a8f66a75122d6175de872566874816371c5aac533959821acba4d335c0 |
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 | zRZ3/M9keoivMbgs0mAW9QBxmxemIWmGo48DPKdY5C8P7PO06JboD9sc1iH+AJXuShfEgRdOYJQ0bZ37v4NsDA== |
| 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
| 2026-09-17T11:58:02.431389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019844observed 22a4b74923db6c3315418d03cce523f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:02.413550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019844/manifest.jsonobserved 605503a8f66a75122d6175de87256687...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:02.396220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019844/publication.mdobserved ff160c5357ef40be36e57e4eb24383e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:02.378667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019844/publication.txtobserved adc61d39ca7e8839961110b03438e864...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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