OT-2026-000013556
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed 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-2026-000013556) never changes.
Identity and time
| Publication number | OT-2026-000013556 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7a75-a692-ef27caec7770 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013556 |
| Status | PUBLIC |
Content hashes
| Canonical text | 580c5af5d3ea2be36fb4bab6171c5e8339de9a026e292d6f736165b891c0653a |
|---|---|
| Markdown | 6d8dcd6ae1d5ea5eb4efb1ebde9622fda9bbcf83eeed00793237e39b5f106726 |
| Publication page | bbca50f02904f99c2e43f088442a15fc4f8523cd0718948e67a39695ec0ed192 |
| Manifest | cf7a1bdbeea6c80b7e52f725a2de740e9491280f2336db1fa4b4c3c2897493cc |
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 | Hqr3o5UPWhdu7bBFK4Bp0+CvEJyPNiU9agr1qc32kUonFZLidlEWgrvlf43NcL9Rf+ZuPYn2VqqRnAA0KbcVDA== |
| 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
| 2026-09-17T12:09:22.702904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013556observed bbca50f02904f99c2e43f088442a15fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:22.684406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013556/manifest.jsonobserved cf7a1bdbeea6c80b7e52f725a2de740e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.664907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013556/publication.mdobserved 6d8dcd6ae1d5ea5eb4efb1ebde9622fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.646359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013556/publication.txtobserved 580c5af5d3ea2be36fb4bab6171c5e83...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. |
|---|