OT-2026-000011755
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000011755) never changes.
Identity and time
| Publication number | OT-2026-000011755 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-71f9-8fcd-8392f55aa82e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011755 |
| Status | PUBLIC |
Content hashes
| Canonical text | f021ce3ad32ca6297fad60e7a13b5468d2f1dc84ecfd5d8cf73f127da202cccf |
|---|---|
| Markdown | 9472f5e5167c773d5703ddf8e68ffb7971f9dc195b2109c843f87c85633ae3f5 |
| Publication page | 4a271e34a37b1984aa7482242ee51d8e8c27e1d6ad5db65638458f958543f900 |
| Manifest | bf04e4dc4d242d182a4ced23ec1812a2f6001a5084934550276eeb3816146c28 |
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 | P3qgFyIhFCun4ZgIG7lcBGmFmOdU/3a1e52pj7WOV7plp1OaipGSb68XvHFLvXByZsUdW/UuU7w06WUyVElRDQ== |
| 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
| 2026-10-25T20:41:31.880609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755observed 4a271e34a37b1984aa7482242ee51d8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T20:41:31.796223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/manifest.jsonobserved bf04e4dc4d242d182a4ced23ec1812a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:31.694146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/publication.mdobserved 9472f5e5167c773d5703ddf8e68ffb79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:31.559746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/publication.txtobserved f021ce3ad32ca6297fad60e7a13b5468...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:51.524530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755observed 4a271e34a37b1984aa7482242ee51d8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:51.422890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/manifest.jsonobserved bf04e4dc4d242d182a4ced23ec1812a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:51.341756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/publication.mdobserved 9472f5e5167c773d5703ddf8e68ffb79...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:51.268131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011755/publication.txtobserved f021ce3ad32ca6297fad60e7a13b5468...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 |
|---|