OT-2026-000077410
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000077410) never changes.
Identity and time
| Publication number | OT-2026-000077410 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7663-97b6-2faeee0926bd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077410 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4ef4c981c80832e4c7b4544ae96df39478d59b892c15eae95259e67a01d4fb4 |
|---|---|
| Markdown | 6e52333a16124f0ae7cf69c0f8cc67740138155aae6602fc16f7f2087e646eab |
| Publication page | 5d2f5011a118e020fd9d9d7e96f7fb4702e99083de65593559dce4f2af379dd6 |
| Manifest | 9ce26895154b6592556bf60f78cc8faa2beb9f26f1a55f6dc1b33d46d9e777ce |
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 | 8wYYoFFt9OKzScnwHnKDsJWABvYrwOUaEK5BulndhBkcUkKh0e27gsi6508w98/i4whGwudVKGV/FfidCJy4DQ== |
| 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
| 2026-11-01T16:41:30.478006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410observed 5d2f5011a118e020fd9d9d7e96f7fb47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T16:41:30.428470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/manifest.jsonobserved 9ce26895154b6592556bf60f78cc8faa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:30.358002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/publication.mdobserved 6e52333a16124f0ae7cf69c0f8cc6774...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:30.294498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/publication.txtobserved a4ef4c981c80832e4c7b4544ae96df39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:57.102906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410observed 5d2f5011a118e020fd9d9d7e96f7fb47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:57.028328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/manifest.jsonobserved 9ce26895154b6592556bf60f78cc8faa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:56.958638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/publication.mdobserved 6e52333a16124f0ae7cf69c0f8cc6774...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T20:41:56.883150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077410/publication.txtobserved a4ef4c981c80832e4c7b4544ae96df39...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 |
|---|