OT-2026-000021646
Publication integrity record
Foam pad vacuum gripper, three stage ejector, sustained blow-off before set-down
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-2026-000021646) never changes.
Identity and time
| Publication number | OT-2026-000021646 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7a6c-b801-e4041021e517 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021646 |
| Status | PUBLIC |
Content hashes
| Canonical text | 26eaf386462abb2dd1f3518de2a92940c7d31206d77c0bbd468a7faa59db4772 |
|---|---|
| Markdown | bffcab794e72468b6e8dce5e4c4e449b5dc83f3e05c7ca9edd03911bf403952d |
| Publication page | 84be0dd4196d6d40085d0bbf05742358aa1a2e48cf33f27ae35f4639200a1204 |
| Manifest | d319b9af4594f4d31eb8e498f9401a515c0cce8e01882dd16ed0c2f22f6ce5cd |
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 | yxz+5NhURTn4JgG702uIiwa4UU6c3+iyq0+1RAGvv34yrzagthi7y/FyYEDuwzqNbEUBGhBr2nU6CMOjefbwBQ== |
| 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... |
|---|
Independent retrieval
| 2026-11-02T12:41:51.476211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646observed 84be0dd4196d6d40085d0bbf05742358...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T12:41:51.371203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/manifest.jsonobserved d319b9af4594f4d31eb8e498f9401a51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T12:41:51.229126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/publication.mdobserved bffcab794e72468b6e8dce5e4c4e449b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T12:41:51.100671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/publication.txtobserved 26eaf386462abb2dd1f3518de2a92940...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:05.401549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646observed 84be0dd4196d6d40085d0bbf05742358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:05.386016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/manifest.jsonobserved d319b9af4594f4d31eb8e498f9401a51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:05.350230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/publication.mdobserved bffcab794e72468b6e8dce5e4c4e449b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:05.314858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021646/publication.txtobserved 26eaf386462abb2dd1f3518de2a92940...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 |
|---|