OT-2026-000021255
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000021255) never changes.
Identity and time
| Publication number | OT-2026-000021255 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7e52-b795-8ee285af9e90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021255 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8487bd1a772a5a60e91966a5a44c104ec274b8d0a817d0c9e348ef2ea11a6f93 |
|---|---|
| Markdown | 1890576b9595182d609ec0b240c4bd831523c40920aa459a60d809668ed20c5b |
| Publication page | 4a8801f704954d92aa75755e65b280d1b6b2e552f0997576aaff32c260a74935 |
| Manifest | 93bd99045a6ff200eab90455cd3cf626124739f05e1bc2fec66c506a475b2321 |
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 | kbb4CjoqJV8446WlsLf7Tnu5dIjm9lea0AcwcjWSlvptiU+PFTl4cz1YeVD6XcrK2TBdFHQTR8N4WcKOGQTgAw== |
| 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
| 2026-09-17T11:55:04.558168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021255observed 4a8801f704954d92aa75755e65b280d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.542393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021255/manifest.jsonobserved 93bd99045a6ff200eab90455cd3cf626...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.525022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021255/publication.mdobserved 1890576b9595182d609ec0b240c4bd83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.504878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021255/publication.txtobserved 8487bd1a772a5a60e91966a5a44c104e...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. |
|---|