OT-2026-000049977
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049977) never changes.
Identity and time
| Publication number | OT-2026-000049977 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd77-70f6-b12f-aef8d9cd2bc3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 24119480640fd60e1c3bcd46b92ebd7d01a11edb539414c75c426385baf0659e |
|---|---|
| Markdown | b2d07f3b051788cf9e7581e65eadd4bbf83bffd879ad1bca81ab3f5fe500a12d |
| Publication page | c12008f5fa23c85a8a9b93f9e71916f9a5be87131650ad8267dcadb952419275 |
| Manifest | 89a598335c78f5c1aacc3fef5bdb57cd77ec9fc1de5e6e80f631376c197800ff |
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 | cayWeHjrDrcUxEkwHxnllFeA0rb2U/7je+PqLsd0nu7KSJFc7VGcu8fPQ9I3mAtOdtZhckW1OFHf51v+nwi6AQ== |
| 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
| 2026-09-17T11:01:55.642328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049977observed c12008f5fa23c85a8a9b93f9e71916f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:55.623421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049977/manifest.jsonobserved 89a598335c78f5c1aacc3fef5bdb57cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:55.602528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049977/publication.mdobserved b2d07f3b051788cf9e7581e65eadd4bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:55.583909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049977/publication.txtobserved 24119480640fd60e1c3bcd46b92ebd7d...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. |
|---|