OT-2026-000054811
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000054811) never changes.
Identity and time
| Publication number | OT-2026-000054811 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-74da-b7f9-95a51bbe8597 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054811 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ccb02786d00aef186b50ddb05bc5816b5b653121f2bc80cfbf5029d64a2e7e4 |
|---|---|
| Markdown | 04b47ef03ab2f0b441330f4ceedeb37ad32ffbb71eda899f0b8a1a338e1243cd |
| Publication page | ecff672b26596baf245d5748b701224e5fdb1a22e8343a2f83aa3d314c213709 |
| Manifest | 993f7fafeb1e7bf4473347b7c029a2e3ad93413f1a58c39c30076caa89a5ad18 |
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 | LAUpJHgHouWF5bLOSVdg9O2/NzbsdVBQqMYTrv7I/ef1d0IzxHJRytc0o7dd0HsbhswT8CJUJgculR0QruP5BA== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-01T20:41:31.739310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811observed ecff672b26596baf245d5748b701224e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T20:41:31.690556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/manifest.jsonobserved 993f7fafeb1e7bf4473347b7c029a2e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T20:41:31.641687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/publication.mdobserved 04b47ef03ab2f0b441330f4ceedeb37a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T20:41:31.556710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/publication.txtobserved 6ccb02786d00aef186b50ddb05bc5816...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:15.072184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811observed ecff672b26596baf245d5748b701224e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:14.993174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/manifest.jsonobserved 993f7fafeb1e7bf4473347b7c029a2e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:14.937963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/publication.mdobserved 04b47ef03ab2f0b441330f4ceedeb37a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:14.885316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054811/publication.txtobserved 6ccb02786d00aef186b50ddb05bc5816...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 |
|---|