OT-2026-000076027
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000076027) never changes.
Identity and time
| Publication number | OT-2026-000076027 · never reused |
|---|---|
| Internal UUID | 01a0ae94-2a00-741b-bb36-1e13743ea480 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076027 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6c513c4cc1bf67dfdf40ab8fee1ed772d2113e045458a5a599a8daee771d137 |
|---|---|
| Markdown | 1f44f3ec9ed6979cf11f72fa31ce9707f06e9498b8af4e40028e950f2ccd56d9 |
| Publication page | bde5ef307ac174d55de84b3c326f18a48380d3d5a4b3ff20cc64ba4b9663177c |
| Manifest | 02296daa8437e9ae06b3da76dbdb0af8922c2f8e5c0e94e71354e616293b8f6c |
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 | Ru6Mld26+zC+FocCDueUW4cAYNzRe8stLdfWmBHy71U3h/5uDnJuT8GRIxqft5lrIA4AMi7EfPZOan+2gJ5qAQ== |
| 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
| 2026-10-31T04:23:32.606178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027observed bde5ef307ac174d55de84b3c326f18a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:23:32.590797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/manifest.jsonobserved 02296daa8437e9ae06b3da76dbdb0af8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:23:32.574390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/publication.mdobserved 1f44f3ec9ed6979cf11f72fa31ce9707...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:23:32.557140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/publication.txtobserved f6c513c4cc1bf67dfdf40ab8fee1ed77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:27.859289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027observed bde5ef307ac174d55de84b3c326f18a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:27.793227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/manifest.jsonobserved 02296daa8437e9ae06b3da76dbdb0af8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:27.721747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/publication.mdobserved 1f44f3ec9ed6979cf11f72fa31ce9707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:27.655373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076027/publication.txtobserved f6c513c4cc1bf67dfdf40ab8fee1ed77...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 |
|---|