OT-2026-000042972
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000042972) never changes.
Identity and time
| Publication number | OT-2026-000042972 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3277-7b39-b1f6-0888e1f72dd4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 031e2e59ad457f846c8b4f5297423c19bd29eff720dfa0e0e7ce91661ad692a0 |
|---|---|
| Markdown | 74fe9fb9a9538947e798d638a6a62ed530918d3900638ef27062f4503f812da2 |
| Publication page | 75430b672713cfe752c3755c7500e04ceabc89a2035614471cb55b2730897898 |
| Manifest | eab020498af3289a2d793a59a44b78cebf8539f4dce86c4cfc0dfb76472e6404 |
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 | fOZKIKqkiqcAXvrJn4sMJV3zIdUtXqZAjtvTQ0ZeVzji8jKbhtm8SfhebRGP/KwdV+VPwsB7Tet80SkSlSt1BA== |
| 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
| 2026-09-17T11:13:16.216367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042972observed 75430b672713cfe752c3755c7500e04c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:16.199681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042972/manifest.jsonobserved eab020498af3289a2d793a59a44b78ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:16.182458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042972/publication.mdobserved 74fe9fb9a9538947e798d638a6a62ed5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:16.163755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042972/publication.txtobserved 031e2e59ad457f846c8b4f5297423c19...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. |
|---|