OT-2026-000087621
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087621) never changes.
Identity and time
| Publication number | OT-2026-000087621 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd53-72c2-bb74-f786e2b8af57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9008c9cc1026f43ab040fa31db87547f60fab75ebbb9b105e361f2455fef8b70 |
|---|---|
| Markdown | 93fb7cc02dc495fe8d55c3cf39051d99221296d997f73f91c80734beba8b59e8 |
| Publication page | 74cb7bb9852ca5f62ae26e19dd747f4f38cfb5be12d05dacacbed8bb2497a523 |
| Manifest | c3b76ddc972a7cc0378d36b7e00695eadeabea09ba6ec479e93032ac5996b734 |
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 | 4kUtFhD+H5xh5TWNcbzzCYakiBwtxT1ygBA6Y+5sf9xz0hBumBv9XSnAZrjnBWop+dTRfdwebb8HKEPmbCQpAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:51:03.998472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087621observed 74cb7bb9852ca5f62ae26e19dd747f4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:03.982855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087621/manifest.jsonobserved c3b76ddc972a7cc0378d36b7e00695ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:03.965502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087621/publication.mdobserved 93fb7cc02dc495fe8d55c3cf39051d99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:03.948374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087621/publication.txtobserved 9008c9cc1026f43ab040fa31db87547f...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. |
|---|