OT-2026-000029720
Publication integrity record
Single bellows cup vacuum gripper, single 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-2026-000029720) never changes.
Identity and time
| Publication number | OT-2026-000029720 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-77ff-b060-fe743caa4e5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029720 |
| Status | PUBLIC |
Content hashes
| Canonical text | df93b1613022e3d93df2eea7d4d2b3a03b909572d633f03e9fdde8b10c024aa8 |
|---|---|
| Markdown | 0678670b16526917e85915217a974e0b5041273079498f531afd71327392d329 |
| Publication page | 89c8cac68a495bc5013467df5b5f0d0324e9cd6028b8b6605eb9f6995704f03e |
| Manifest | f2082a3d11337e98b80cf9ed540418a5a7c8a66d1ebaf710e55dd5a57478ae93 |
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 | K7tDAVZA7anoIQ0s44SUA3dvKXr3aHl6VYv4stf4+anKli5r2UIzJ5BI8leaAvq0Y0VnppnuMiYlVV2e/cdRBQ== |
| 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
| 2026-09-17T11:39:27.084444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029720observed 89c8cac68a495bc5013467df5b5f0d03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:27.067418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029720/manifest.jsonobserved f2082a3d11337e98b80cf9ed540418a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:27.049621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029720/publication.mdobserved 0678670b16526917e85915217a974e0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:27.032645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029720/publication.txtobserved df93b1613022e3d93df2eea7d4d2b3a0...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. |
|---|