OT-2026-000056263
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000056263) never changes.
Identity and time
| Publication number | OT-2026-000056263 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7938-8b12-ba28b3f0d8c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056263 |
| Status | PUBLIC |
Content hashes
| Canonical text | e7407bad37346d8608d21810dc8bd76b2ba883f2be5776a993cf60756f2a6396 |
|---|---|
| Markdown | 2dddf1f105f65f486c282b067b04f20e3201fae2e9eac46669bb7360589c4822 |
| Publication page | 384e3743c7f06b9aa5ab881f6255998a4529c7eb6fa9bfaf58337fbaafae589c |
| Manifest | 98b8a0770080b8978c2d1de4bffde5843f6e4b5118f50853ad2555a5e359a253 |
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 | hMNHRci5vYKdoYkY7PyGoWkeVyX1UcASkv2bu/1RytN0A9lpYWxWjmvckAG/Lcn+mjlhbw9Ids0qwetackCmDg== |
| 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
| 2026-10-25T04:41:57.513119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263observed 384e3743c7f06b9aa5ab881f6255998a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:41:57.466894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/manifest.jsonobserved 98b8a0770080b8978c2d1de4bffde584...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:57.419260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/publication.mdobserved 2dddf1f105f65f486c282b067b04f20e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:57.269418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/publication.txtobserved e7407bad37346d8608d21810dc8bd76b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:49.266442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263observed 384e3743c7f06b9aa5ab881f6255998a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:49.193691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/manifest.jsonobserved 98b8a0770080b8978c2d1de4bffde584...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:49.122114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/publication.mdobserved 2dddf1f105f65f486c282b067b04f20e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:49.002838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056263/publication.txtobserved e7407bad37346d8608d21810dc8bd76b...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 |
|---|