OT-2026-000081475
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained 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-2026-000081475) never changes.
Identity and time
| Publication number | OT-2026-000081475 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f375-761b-88c9-a45b1755d012 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081475 |
| Status | PUBLIC |
Content hashes
| Canonical text | fee803c336f822178ffd3b82826490c1c06a17534505a57fe95820ee45fea10f |
|---|---|
| Markdown | f6231fdef94901cfd58820f9ccd24f0dc63af626999b2777bb76f0b062813cfd |
| Publication page | a51b5d93660d6cba16c935145a8915d3f46fe2d9b4c83c0359372c599f3331e3 |
| Manifest | 46755c835b65afa7ab123291ccf7e2d7df9ce726545ba8398b5c7bb82f9a2ca5 |
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 | UVolOQnVj7xysiBdl3GEVqRN0Z4WgT8Uro9hXYJKFdLerZAXtXh+2WGwfqDg5LLdzNLb6xvme9YTP+18VFDQDw== |
| 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... |
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Independent retrieval
| 2026-10-26T00:41:03.227903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475observed a51b5d93660d6cba16c935145a8915d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T00:41:03.152855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/manifest.jsonobserved 46755c835b65afa7ab123291ccf7e2d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:03.078419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/publication.mdobserved f6231fdef94901cfd58820f9ccd24f0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:02.916903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/publication.txtobserved fee803c336f822178ffd3b82826490c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:07.398135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475observed a51b5d93660d6cba16c935145a8915d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:07.330399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/manifest.jsonobserved 46755c835b65afa7ab123291ccf7e2d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:07.259574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/publication.mdobserved f6231fdef94901cfd58820f9ccd24f0d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:07.206218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081475/publication.txtobserved fee803c336f822178ffd3b82826490c1...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 |
|---|