OT-2026-000013191
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed 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-2026-000013191) never changes.
Identity and time
| Publication number | OT-2026-000013191 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc8-7a27-ac89-7470c3dd7f9f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70feca1e2798a06e08d88237d2a68fe184cde0d1fb37b33a687bb92d17dd0619 |
|---|---|
| Markdown | 99a650b2bc5e1f01ab264bd55f33d0b857e6080da9eac485666644656336d835 |
| Publication page | fad200f918131b09f5836e653deed61526092e838e359d216053b82032dc14f9 |
| Manifest | 423cf50d0dc7c42c277b5d69933d6491562ea5491979a41610e65bed11db7f94 |
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 | 9RyN0t9KJ+hdLBFfSgEtjhd4gWGaIM3/QRnpK9JW8ZeKBVMqd7tw+mtPdAzbo+2o58bf0wnOGvEce70C6G7LDw== |
| 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... |
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Independent retrieval
| 2026-11-02T04:41:08.318801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191observed fad200f918131b09f5836e653deed615...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T04:41:08.229305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/manifest.jsonobserved 423cf50d0dc7c42c277b5d69933d6491...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:41:08.173728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/publication.mdobserved 99a650b2bc5e1f01ab264bd55f33d0b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:41:08.085976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/publication.txtobserved 70feca1e2798a06e08d88237d2a68fe1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:10.629104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191observed fad200f918131b09f5836e653deed615...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:10.565939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/manifest.jsonobserved 423cf50d0dc7c42c277b5d69933d6491...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:10.516096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/publication.mdobserved 99a650b2bc5e1f01ab264bd55f33d0b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:10.395200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013191/publication.txtobserved 70feca1e2798a06e08d88237d2a68fe1...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 |
|---|