OT-2026-000006740
Publication integrity record
Vacuum cup gripper, plant vacuum fed, pressure verified, contact triggered on the face, rubber cups
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-2026-000006740) never changes.
Identity and time
| Publication number | OT-2026-000006740 · never reused |
|---|---|
| Internal UUID | 01a0a965-c20b-7f8c-af9c-955f173785c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:46:53.454754Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006740 |
| Status | PUBLIC |
Content hashes
| Canonical text | d10ac3d5a328a28cceacc46587c9da460a5fb5bae425300ebe295b68f3e17efc |
|---|---|
| Markdown | be0da5c24b01d5a7d109cbb4700511feb1b6a85974fe6b80d10e2f07b1b42a6f |
| Publication page | 25f442580e1c353ec66b7ddebb34231592fac606f4cf466c02306180e77226d1 |
| Manifest | 8a87cb3f4c4fa17d4f2de5569e69cd55d634b59ffb4783a3209df5b4cac6c4b4 |
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 | sLWI6o+j4MCQdQMOuQGJduKa9hicvrxEqvcCI3mk7UQoKi89O1IEZEeNUYxWq3YGzliIZRMbOkHy5DqJPm+YCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-27T08:41:31.726000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740observed 25f442580e1c353ec66b7ddebb342315...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T08:41:31.599802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/manifest.jsonobserved 8a87cb3f4c4fa17d4f2de5569e69cd55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:31.542244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/publication.mdobserved be0da5c24b01d5a7d109cbb4700511fe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:31.341087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/publication.txtobserved d10ac3d5a328a28cceacc46587c9da46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.837754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740observed 25f442580e1c353ec66b7ddebb342315...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.789161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/manifest.jsonobserved 8a87cb3f4c4fa17d4f2de5569e69cd55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.722663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/publication.mdobserved be0da5c24b01d5a7d109cbb4700511fe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:52.538839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006740/publication.txtobserved d10ac3d5a328a28cceacc46587c9da46...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 |
|---|