OT-2026-000021605
Publication integrity record
Single cup vacuum gripper, common isolation valve, three 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-2026-000021605) never changes.
Identity and time
| Publication number | OT-2026-000021605 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb58-758e-9a84-ed844a00dfda · 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-2026-000021605 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbc4d4def77f2604c8b095f08842a64e75fb40b5540c6f3d7608c878f63e0586 |
|---|---|
| Markdown | 781e478b6b56669a46d5493da78d3946953cb7ae02cdb1d8f943f7f86e56996f |
| Publication page | 412b0cfdf64de29c34e2308978dc7e65887500ac76e5500cb3345c419d8dd3dc |
| Manifest | 2db4a3e45346a37c9e4d039ca5d301910107654cfa53b95bf85d3b20fe861b9e |
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 | p5NahzmoZmHH7aBk0zGTC88X/K2iVYM9aYPKZgfzttLX8PUowtNx2Z44rSrOjW/0bPTkxLkZKWcyQg8I6ywkBA== |
| 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
| 2026-09-17T11:54:07.788951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021605observed 412b0cfdf64de29c34e2308978dc7e65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:07.771373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021605/manifest.jsonobserved 2db4a3e45346a37c9e4d039ca5d30191...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.752923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021605/publication.mdobserved 781e478b6b56669a46d5493da78d3946...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.733939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021605/publication.txtobserved dbc4d4def77f2604c8b095f08842a64e...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. |
|---|