OT-2026-000075748
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075748) never changes.
Identity and time
| Publication number | OT-2026-000075748 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fe-7fdf-b84d-df1cda13fd48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 100b762a1dbeb216449f378bcbc23f0b8c7b3e63a6671a76e4a47067a6cf9076 |
|---|---|
| Markdown | 51aeb19f24fcb3eddfe5055017a1f95e92e805c6f0e79dc9ae6af75b46af85e7 |
| Publication page | 6e0889a203eef83aa85dc2955afc55b0433b44de77ed907e0b30b8efa471c683 |
| Manifest | 924aff20c5e5d259f8c4b8811c398e9181b0cf53ecc363d64971f4bc5904fb68 |
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 | YhHOwA342Crd1AJk3sBXdsXYz5+SQIVyC8MGMXOYeiADTDU7Hhp96bBN4LaiisxHwRJ4URpA/MZeHQmvdqlLDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:14:07.236203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075748observed 6e0889a203eef83aa85dc2955afc55b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:07.217711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075748/manifest.jsonobserved 924aff20c5e5d259f8c4b8811c398e91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:07.196859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075748/publication.mdobserved 51aeb19f24fcb3eddfe5055017a1f95e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:07.053430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075748/publication.txtobserved 100b762a1dbeb216449f378bcbc23f0b...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. |
|---|