OT-2026-000059712
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off 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-2026-000059712) never changes.
Identity and time
| Publication number | OT-2026-000059712 · never reused |
|---|---|
| Internal UUID | 01a0ae89-ec25-70d7-ad1e-f0fc79a945e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:44:29.732559Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000059712 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9cb6bf366bfa9b74b02de397007023b3b837aa4b573e8d4fa8c05f60ff7fd59c |
|---|---|
| Markdown | 886e8930c022227eba6fb4e98ddceea9d09aadc3fa196f29b7c519197006e59b |
| Publication page | 5b58a2bab0587da29880632bff45fc7389d7c735ac813bbeecc4b1da00960a79 |
| Manifest | 768e9068c4693c92cb216f88f222bfe25a0d3beb157ddfebacc43f60897c5198 |
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 | KbbO1gSCJJwgeq/dwyZxS3YDBSv0/2qkmTan/ONrDV191W+dlnGlvUfE6ltV2pj3uPgu08fbm5W1ugpOPOPVAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-10-07T12:41:10.427535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712observed 5b58a2bab0587da29880632bff45fc73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T12:41:10.327170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/manifest.jsonobserved 768e9068c4693c92cb216f88f222bfe2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:10.239514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/publication.mdobserved 886e8930c022227eba6fb4e98ddceea9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:10.147930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/publication.txtobserved 9cb6bf366bfa9b74b02de397007023b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:09.809601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712observed 5b58a2bab0587da29880632bff45fc73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:09.590206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/manifest.jsonobserved 768e9068c4693c92cb216f88f222bfe2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:09.328271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/publication.mdobserved 886e8930c022227eba6fb4e98ddceea9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:42:08.994892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059712/publication.txtobserved 9cb6bf366bfa9b74b02de397007023b3...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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