OT-2026-000071458
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000071458) never changes.
Identity and time
| Publication number | OT-2026-000071458 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-78e4-982b-9ca4dc3be105 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071458 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97f18d900b19eb06de2e6441d12b143b6e3e27f875e50fa517d886bbcb06e36f |
|---|---|
| Markdown | b6347c56514bab416da9b3a0b991c98710c35c8aa8bdf3c6da0a4c18fa2a486f |
| Publication page | c04bdbc34c58c3b0be0aef5f8cfd99fc6899c0c168b1c409450dc9dd7f706a3e |
| Manifest | f456fdbfe5a89e328b65df556afc820505b1d2387348c88c1d10614722094028 |
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 | /dd7o2HOXsg2RYWCQDiN0t2fucG9tE+4YjF6TF3jQWrbt4JdQDx1L4BIjQT8jbQ2uQT4HFh0Poh8p2Oxdlh6AQ== |
| 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
| 2026-10-02T00:42:03.578127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458observed c04bdbc34c58c3b0be0aef5f8cfd99fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T00:42:03.498179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/manifest.jsonobserved f456fdbfe5a89e328b65df556afc8205...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:42:03.414142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/publication.mdobserved b6347c56514bab416da9b3a0b991c987...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:42:03.333486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/publication.txtobserved 97f18d900b19eb06de2e6441d12b143b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:51.750646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458observed c04bdbc34c58c3b0be0aef5f8cfd99fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:51.641645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/manifest.jsonobserved f456fdbfe5a89e328b65df556afc8205...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:51.525663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/publication.mdobserved b6347c56514bab416da9b3a0b991c987...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T20:41:51.427533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071458/publication.txtobserved 97f18d900b19eb06de2e6441d12b143b...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 |
|---|