OT-2026-000005143
Publication integrity record
Porous face vacuum gripper, four outlet manifold, ejector fed, pressure verified at each zone
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-2026-000005143) never changes.
Identity and time
| Publication number | OT-2026-000005143 · never reused |
|---|---|
| Internal UUID | 01a0a92f-4114-71d3-bd3c-2ed07f6d6806 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:47:21.494769Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a6e98d3b53b76d46c2a8be739db5aaa508f18b864b5d72c32a9cad68886fff1 |
|---|---|
| Markdown | 6e0120672d184eb4b489f6884b52ec0851d0794d40876c7d236bcf968beb0018 |
| Publication page | cf6d1bce394c11df9cf27423c13d88bb1f156a3632a7bb98f8fb8d0fe193d0e8 |
| Manifest | 5fe7929b700147765b77e22d54fa62239cda66df3938c045f640a649e659e3cb |
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 | IGS9najmblBAaMnOwOwF2MQE/rK9PCOmNQDAQoQF2SW5kjEQGtCuR5SGb5i0Lb1So7Br52ZdpJBDUreekXJqCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-25T16:41:22.898008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143observed cf6d1bce394c11df9cf27423c13d88bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T16:41:22.818705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/manifest.jsonobserved 5fe7929b700147765b77e22d54fa6223...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:22.706939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/publication.mdobserved 6e0120672d184eb4b489f6884b52ec08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:22.593439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/publication.txtobserved 2a6e98d3b53b76d46c2a8be739db5aaa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:34.881150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143observed cf6d1bce394c11df9cf27423c13d88bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:34.782010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/manifest.jsonobserved 5fe7929b700147765b77e22d54fa6223...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:34.719174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/publication.mdobserved 6e0120672d184eb4b489f6884b52ec08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:34.568699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005143/publication.txtobserved 2a6e98d3b53b76d46c2a8be739db5aaa...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 |
|---|