OT-2026-000033221
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000033221) never changes.
Identity and time
| Publication number | OT-2026-000033221 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4844-7a43-95d8-ec757094dbcd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7355c3bbc3396dd6b80bf176702a6be34c5aa494a668f42001e17443cdec9725 |
|---|---|
| Markdown | 0a2fd084470fcf2c582723cff55040a91486b145f0b0cf5e34e1d1453e2fc571 |
| Publication page | 40cba790bb5f9140f25df45b0e0b73150188a3efb2058f74424e527953bbf0a8 |
| Manifest | 7694a6ee47cc047f7162b6aa0c5fcd87d0d60f4cad2d451410db7b03293cd87f |
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 | JUCM35iZPymrJMAib5J96TZJWht7+9zF4wMHJb/W9EXKRzsU2/spzVE15DgwSwlk93UBzrwwXpRh8l0cOgnnCQ== |
| 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
| 2026-09-17T11:32:55.497113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033221observed 40cba790bb5f9140f25df45b0e0b7315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:32:55.480079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033221/manifest.jsonobserved 7694a6ee47cc047f7162b6aa0c5fcd87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:55.460550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033221/publication.mdobserved 0a2fd084470fcf2c582723cff55040a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:55.443669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033221/publication.txtobserved 7355c3bbc3396dd6b80bf176702a6be3...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. |
|---|