OT-2026-000021790
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000021790) never changes.
Identity and time
| Publication number | OT-2026-000021790 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7cd4-b3b2-1328fabd0d62 · 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-2026-000021790 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb2053a976cbb28fcf14f5d093037f2d89a658120a17d1dde075d3e9ae22df34 |
|---|---|
| Markdown | 2e196f75ba6e4fce962ed170b20e64840df63e8857358e9ec283e3197d039973 |
| Publication page | bf8db4b19b08a4361a81d5ab800b15c91a7dfba517f13c106c27606517db88c4 |
| Manifest | c4be2a3fce63b2ceb8478744a8ec2de120ef0a6225adf20aa1c002150039acb6 |
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 | tvB+bSsc6T9Q5DkuludioIZ92jYOONPtgBQKwVWFkdAVhYmSJEXZvGxup7ycwsCnvF54zeZbYrnNiKxj6Fd0DQ== |
| 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
| 2026-09-17T11:54:20.462463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021790observed bf8db4b19b08a4361a81d5ab800b15c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:20.438209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021790/manifest.jsonobserved c4be2a3fce63b2ceb8478744a8ec2de1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.418600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021790/publication.mdobserved 2e196f75ba6e4fce962ed170b20e6484...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:20.400306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021790/publication.txtobserved fb2053a976cbb28fcf14f5d093037f2d...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. |
|---|