OT-2026-000007342
Publication integrity record
Porous face vacuum gripper, three zone face, ejector fed, pressure verified, closed cell
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-2026-000007342) never changes.
Identity and time
| Publication number | OT-2026-000007342 · never reused |
|---|---|
| Internal UUID | 01a0a97b-66db-74c2-9a5f-eb9f598c5ffe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:10:31.902610Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007342 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0fe6471d3b85ebd5a00079783d6949550cecf9622b02330b3f5c349d4a845118 |
|---|---|
| Markdown | 373657c1987375a5109ddb95d83b660d5ad79d40977db1cf4df46cfc0c2982ec |
| Publication page | c770c96010703d970d24ddbb42f21aa62a97baf29042a4a495123afeb927640f |
| Manifest | bc84f2c239d103e2fd45e3c59a3077dcb79bc19bf85e3ea5320730f4bd0f6d6b |
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 | vrzI/FhGIRK4nQ7/QHyNWWObnOCXoKGx3ETEWlwbyE2Jte6Tf1YKokSfIZ66cGUCXMd27TEtq9L8eT1xx2k1CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
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Independent retrieval
| 2026-10-06T16:41:59.187940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342observed c770c96010703d970d24ddbb42f21aa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T16:41:59.024146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/manifest.jsonobserved bc84f2c239d103e2fd45e3c59a3077dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:58.951263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/publication.mdobserved 373657c1987375a5109ddb95d83b660d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:58.753420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/publication.txtobserved 0fe6471d3b85ebd5a00079783d694955...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:44.411853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342observed c770c96010703d970d24ddbb42f21aa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:44.360504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/manifest.jsonobserved bc84f2c239d103e2fd45e3c59a3077dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:44.292111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/publication.mdobserved 373657c1987375a5109ddb95d83b660d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:44.172946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007342/publication.txtobserved 0fe6471d3b85ebd5a00079783d694955...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 |
|---|