OT-2026-000027732
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000027732) never changes.
Identity and time
| Publication number | OT-2026-000027732 · never reused |
|---|---|
| Internal UUID | 01a0ae72-699a-732c-8084-c07e32636b8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027732 |
| Status | PUBLIC |
Content hashes
| Canonical text | 927c82f50e806fbbb00c2cf75ff8e06b7d797dc78550039b592dede539065798 |
|---|---|
| Markdown | b43a3468374daad54c27d9c3e6decace36fd76eb47d951f24edb8f5cf53fb954 |
| Publication page | 709bafa51b76b6aeb9242c540be9ae7457563be16d743e0c0183773fbe50b633 |
| Manifest | d890b6a573d9b7042f3f1885cecfe2fbccf89dbb566157c7ba95dd188a509b19 |
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 | PG0m2W43a7Tg0cXdn2ReclpAWOvAUw7qsZsLnjLnX87y4UCfjIOPCCJQNiCmSynXxlpFk7G8lDOMRvoDcEipBw== |
| 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
| 2026-10-08T20:41:26.538197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732observed 709bafa51b76b6aeb9242c540be9ae74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T20:41:26.459875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/manifest.jsonobserved d890b6a573d9b7042f3f1885cecfe2fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:26.364809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/publication.mdobserved b43a3468374daad54c27d9c3e6decace...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:26.255556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/publication.txtobserved 927c82f50e806fbbb00c2cf75ff8e06b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:23.721506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732observed 709bafa51b76b6aeb9242c540be9ae74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:23.650290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/manifest.jsonobserved d890b6a573d9b7042f3f1885cecfe2fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:23.579789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/publication.mdobserved b43a3468374daad54c27d9c3e6decace...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T16:41:23.507730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027732/publication.txtobserved 927c82f50e806fbbb00c2cf75ff8e06b...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|