OT-2026-000058024
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-2026-000058024) never changes.
Identity and time
| Publication number | OT-2026-000058024 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6eda-7448-a9f2-7fa38d5185a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000058024 |
| Status | PUBLIC |
Content hashes
| Canonical text | a614cf955849e7fbfc5a1bb3dbea746af15b49af97abedfc44066ddcc900d973 |
|---|---|
| Markdown | 96ddc470b189edd595c7b7b210c0cfe9dafb47165c97ec32506aeefaa37a8a68 |
| Publication page | 53538b1edbb82920ab60f205d504117784c8bd8ae6ef61156a9c04a36f959ce3 |
| Manifest | a74b49d10ef308072e0286b24263253bb7a02b6172540867fd8468124924bbfc |
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 | GPEgDxC4JY7miRoOl12n5umTFXth1XKIm21/3jOuYHv1oUdGXjVYFtrOBI+hJ/FDW/eY4GL4F8qFbmm8NCzTCQ== |
| 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
| 2026-09-26T04:41:48.105434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024observed 53538b1edbb82920ab60f205d5041177...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T04:41:48.033760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/manifest.jsonobserved a74b49d10ef308072e0286b24263253b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:47.935277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/publication.mdobserved 96ddc470b189edd595c7b7b210c0cfe9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:47.848612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/publication.txtobserved a614cf955849e7fbfc5a1bb3dbea746a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:39.981884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024observed 53538b1edbb82920ab60f205d5041177...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:39.879345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/manifest.jsonobserved a74b49d10ef308072e0286b24263253b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:39.860696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/publication.mdobserved 96ddc470b189edd595c7b7b210c0cfe9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:39.841147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000058024/publication.txtobserved a614cf955849e7fbfc5a1bb3dbea746a...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|