OT-2026-000065767
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000065767) never changes.
Identity and time
| Publication number | OT-2026-000065767 · never reused |
|---|---|
| Internal UUID | 01a0ae8e-46fb-7cf4-a74d-d34e3752f98b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:49:15.018480Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000065767 |
| Status | PUBLIC |
Content hashes
| Canonical text | 310c0c6aefb1d709fbb82177a12714cbcedf11743bea5d492a01128048a994eb |
|---|---|
| Markdown | b111336fd2a8de54697f0b83c40ff75fa5d891621fdfa5b65426e5cfcb447a74 |
| Publication page | 58b789f8e498afa2b4b4953cecba3271cfaf2f504288175fe3d2099c1ad6adc7 |
| Manifest | 72a29274d2a4feb9eb9c703e7ff77738cb815d4bd803b4b1ccf749adb1911f9e |
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 | PAUdOe655S4+H/0ANh2/ovy4UllKXpbEk8ZUOsXIAvV8gJ3VuhLCXTOxpS0zARHkJ409PWbw9BZxEXJJXm9LBw== |
| 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
| 2026-10-29T12:41:50.557752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767observed 58b789f8e498afa2b4b4953cecba3271...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:50.508286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/manifest.jsonobserved 72a29274d2a4feb9eb9c703e7ff77738...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:50.458470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/publication.mdobserved b111336fd2a8de54697f0b83c40ff75f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:50.407991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/publication.txtobserved 310c0c6aefb1d709fbb82177a12714cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:15.176532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767observed 58b789f8e498afa2b4b4953cecba3271...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:15.125928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/manifest.jsonobserved 72a29274d2a4feb9eb9c703e7ff77738...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:15.044311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/publication.mdobserved b111336fd2a8de54697f0b83c40ff75f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T08:41:14.985236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000065767/publication.txtobserved 310c0c6aefb1d709fbb82177a12714cb...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 |
|---|