OT-2026-000003521
Publication integrity record
Mechanical with 3 gripper fingers fed from a dedicated vacuum source at the tool
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-2026-000003521) never changes.
Identity and time
| Publication number | OT-2026-000003521 · never reused |
|---|---|
| Internal UUID | 01a0a907-b832-7bff-af49-f61b77586ce4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:04:10.549925Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cf771c772f90191a0ebc419eff073a174e9af627891a978c4127a433720e9d6 |
|---|---|
| Markdown | ca9df0f163e4366d62de0f840c30122cefb57dc3378043d675ad6396e4d1cd23 |
| Publication page | 159911383cac756808ce6058eae1aaee37028a5d2654a065bb6d2f84434e9765 |
| Manifest | 49a302dffae3bda873c18542b955444e5e6e473b50ebf2300795428dfcfd8c63 |
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 | r3csNSTHptJ502lR70gYur1JV4QSh5GS5zGznKSOr5bq+PQaircsYoiT9Ux1MI/6EoNGjmr7SusoI0FfJ8K1Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:50:35.981845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003521observed 159911383cac756808ce6058eae1aaee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:35.966382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003521/manifest.jsonobserved 49a302dffae3bda873c18542b955444e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:35.951519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003521/publication.mdobserved ca9df0f163e4366d62de0f840c30122c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:35.936904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003521/publication.txtobserved 7cf771c772f90191a0ebc419eff073a1...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. |
|---|