OT-2026-000086921
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000086921) never changes.
Identity and time
| Publication number | OT-2026-000086921 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-80a5-7f5a-80f4-7d2daff2e3ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:36.209195Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000086921 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8182bbba2b889806342d7f663f0ea8d24f62a7b21e70995c84de8fdf32cc0a8 |
|---|---|
| Markdown | 0f8a00d14ee02967b0b5e3b3a87c1ec57aff309e1b018cdb1da478a58ff2d3ab |
| Publication page | e78b90f167085e8c6789cc75ea2a8cd6f8190f56289eeca37f9e59fccb267a01 |
| Manifest | 604fe110ae179f04f4dd7b27bdd0254f3b1748bcca3e223cbecf9509f4b88146 |
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 | RtXYbUGDEpz8FDBcZyOJLXnFUpSStkqbMOLJeFuWm4KlmFBiBqvlEFjdcCOHULgsIvctPbVWeDuYohyIlzB3AQ== |
| 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
| 2026-10-29T16:41:15.524404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921observed e78b90f167085e8c6789cc75ea2a8cd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:15.476213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/manifest.jsonobserved 604fe110ae179f04f4dd7b27bdd0254f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:15.423930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/publication.mdobserved 0f8a00d14ee02967b0b5e3b3a87c1ec5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:15.309800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/publication.txtobserved d8182bbba2b889806342d7f663f0ea8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:48.987364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921observed e78b90f167085e8c6789cc75ea2a8cd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:48.898536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/manifest.jsonobserved 604fe110ae179f04f4dd7b27bdd0254f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:48.811228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/publication.mdobserved 0f8a00d14ee02967b0b5e3b3a87c1ec5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:48.677397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086921/publication.txtobserved d8182bbba2b889806342d7f663f0ea8d...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 |
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