OT-2026-000027528
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000027528) never changes.
Identity and time
| Publication number | OT-2026-000027528 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-7b34-9b74-5eff14cca485 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027528 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2196a43d7c9c324d527c8183493da450a8b3ae7c05764f47ac7763c4d1a7cf5d |
|---|---|
| Markdown | e6c89f3de8e14e9a1e3305f8f34c225292ba6bb1fdb02631c33981a674f2f828 |
| Publication page | f835b532aedb30081c7d1a32a4af396059213b6a9677e79fb54e7a1b8e0ada24 |
| Manifest | 91101a1ab44367eab4077936a4610a3be2ea7157ab712e419e6513efef94d78f |
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 | Ceufo2Cb1vxx2eaBeNj9cQ+4LZiarZQ6B/qZPDXoscjV6pTKL7G3WvLUUFuYmHojhRWGj16kW9OXKHjlPB3EBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-05T00:41:05.757400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528observed f835b532aedb30081c7d1a32a4af3960...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T00:41:05.704946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/manifest.jsonobserved 91101a1ab44367eab4077936a4610a3b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:05.655728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/publication.mdobserved e6c89f3de8e14e9a1e3305f8f34c2252...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:05.586293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/publication.txtobserved 2196a43d7c9c324d527c8183493da450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:19.657386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528observed f835b532aedb30081c7d1a32a4af3960...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:19.602969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/manifest.jsonobserved 91101a1ab44367eab4077936a4610a3b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:19.548059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/publication.mdobserved e6c89f3de8e14e9a1e3305f8f34c2252...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:19.484667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027528/publication.txtobserved 2196a43d7c9c324d527c8183493da450...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 |
|---|