OT-2026-000091508
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down
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-2026-000091508) never changes.
Identity and time
| Publication number | OT-2026-000091508 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16d-7df5-a6f9-3919fe401eb2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1172cada3b6f5b51b27e3bb07ae2d278b99476b57f5eb0d2aa16d03b87f43028 |
|---|---|
| Markdown | 6c9842f0329cd8f3fda6a9bb3362222727671d3488f82d81255b5cae3bb37632 |
| Publication page | 4c83775b7ee16c9252aeea040dc8766e2812ec5af1c46d709b9c54cd89a8340d |
| Manifest | 2625cd7430ecd376b151ca067707f2cc05c6dadf0d296f92ce7e2fe376a96d96 |
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 | dE+UIEx2vqleM6TbmGqr/cqHEKXVYuqez16J2UI4gMF6n10+QYVaUU+CW39AgMKACpnOmN7SMAISZWoUelR5Dw== |
| 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
| 2026-10-12T08:41:46.940931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508observed 4c83775b7ee16c9252aeea040dc8766e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T08:41:46.864139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/manifest.jsonobserved 2625cd7430ecd376b151ca067707f2cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:46.792049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/publication.mdobserved 6c9842f0329cd8f3fda6a9bb33622227...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:46.659962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/publication.txtobserved 1172cada3b6f5b51b27e3bb07ae2d278...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:42.911856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508observed 4c83775b7ee16c9252aeea040dc8766e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:42.831206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/manifest.jsonobserved 2625cd7430ecd376b151ca067707f2cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:42.750834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/publication.mdobserved 6c9842f0329cd8f3fda6a9bb33622227...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:42.668388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091508/publication.txtobserved 1172cada3b6f5b51b27e3bb07ae2d278...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 |
|---|