OT-2026-000043623
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043623) never changes.
Identity and time
| Publication number | OT-2026-000043623 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92d0-7bdb-b057-d5fa64cf3f45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9fc29a623d7f2c95e9c7e584bb5db0d165fcdb5e6285ac72ba79ca4fc0901487 |
|---|---|
| Markdown | 44ed9b1adf2e71fe1a96dbbd2c96730b28e516be5c1a2f5e98a1c24bf0c588d5 |
| Publication page | 151c4b494ec98ae8ecf5906b65fffe68e271425b6404df27a73329c634b56d9e |
| Manifest | 199b10390fa811b3fbf08fcdcfec4646c1285945b68f72f5a8c360d5af877146 |
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 | DnuxEYMN1xzJcSXdpeCSS7M0yBPR0zGrh3veFKvt9GbEUaC5mt5CT5huol5eookXcDeUJSy0nTOsBkJJEk36BA== |
| 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
| 2026-10-12T04:42:24.500003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623observed 151c4b494ec98ae8ecf5906b65fffe68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:42:24.385641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/manifest.jsonobserved 199b10390fa811b3fbf08fcdcfec4646...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:24.299016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/publication.mdobserved 44ed9b1adf2e71fe1a96dbbd2c96730b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:42:24.125704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/publication.txtobserved 9fc29a623d7f2c95e9c7e584bb5db0d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:42.711587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623observed 151c4b494ec98ae8ecf5906b65fffe68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:42.584326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/manifest.jsonobserved 199b10390fa811b3fbf08fcdcfec4646...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:42.451318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/publication.mdobserved 44ed9b1adf2e71fe1a96dbbd2c96730b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T00:41:42.277841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043623/publication.txtobserved 9fc29a623d7f2c95e9c7e584bb5db0d1...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 |
|---|