OT-2026-000070648
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000070648) never changes.
Identity and time
| Publication number | OT-2026-000070648 · never reused |
|---|---|
| Internal UUID | 01a0ae91-8c2b-7629-9c38-2ad3b5d9fe57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:52:49.344646Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000070648 |
| Status | PUBLIC |
Content hashes
| Canonical text | e15792ce8b1402d11e23ad0aa4cbfaaf456e0c4fe9210a54bde924e8b55b8493 |
|---|---|
| Markdown | 6801a3fa22a9d500362f7199c8d5c3284c5293532fe20cbfc1fe99c1d0a69634 |
| Publication page | 42c7064cf04b817187d148770955b5d4e57a9541964a7e820e3f32e414303bf3 |
| Manifest | 0ae953c37cc59ae477bb56c3eabc793d742de0fb02996ecb779d15dcc0ad267a |
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 | YcaKg3yJK3nwrQAYhjvoOFbABZbRfHCmuO7XhhOIW0a2rTWU5f3vElrV/wZ22SXLb/l1KgN7B0NFKuufidnPDg== |
| 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
| 2026-10-24T04:41:43.425222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648observed 42c7064cf04b817187d148770955b5d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:41:43.335566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/manifest.jsonobserved 0ae953c37cc59ae477bb56c3eabc793d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:43.219769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/publication.mdobserved 6801a3fa22a9d500362f7199c8d5c328...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:43.082634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/publication.txtobserved e15792ce8b1402d11e23ad0aa4cbfaaf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:01.871104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648observed 42c7064cf04b817187d148770955b5d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:01.763234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/manifest.jsonobserved 0ae953c37cc59ae477bb56c3eabc793d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:01.656613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/publication.mdobserved 6801a3fa22a9d500362f7199c8d5c328...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:42:01.495697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000070648/publication.txtobserved e15792ce8b1402d11e23ad0aa4cbfaaf...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 |
|---|