OT-2026-000052239
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000052239) never changes.
Identity and time
| Publication number | OT-2026-000052239 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-751d-be65-01757d0977f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052239 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21530e3dfb36e5221c2ea89ddee8b7c534863a45a1c49c9eea78999f9ad9f914 |
|---|---|
| Markdown | a37b5cbc768fc34e5c8572672a91fea6dca2340c7214c7b501df8e1fed12dfda |
| Publication page | 1f93b4cc94bf3c878827bcfb72228e9bff1ac61cb4f10ed4c9d735c6d798799d |
| Manifest | b54876bd168db8d0789e3313fcfe2a8e736540d0fd38da7871681316d825c34d |
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 | MSWPnPzg/YRCnQZhXCthfYkgHdh67hJQyd6gW37BiMJdR2Kl5SDy0MrTlKiaM0G+GK7k73kJJh/WcVjvMeQsDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:48.980565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052239observed 1f93b4cc94bf3c878827bcfb72228e9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:48.961904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052239/manifest.jsonobserved b54876bd168db8d0789e3313fcfe2a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:48.941284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052239/publication.mdobserved a37b5cbc768fc34e5c8572672a91fea6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:48.923371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052239/publication.txtobserved 21530e3dfb36e5221c2ea89ddee8b7c5...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. |
|---|