OT-2026-000026552
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000026552) never changes.
Identity and time
| Publication number | OT-2026-000026552 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a9-7f2a-b555-ed7cffea7d65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026552 |
| Status | PUBLIC |
Content hashes
| Canonical text | f35dc6330d58c014be6e2a691fada6692f4ff12d6ac74b55a0019c29e8396d21 |
|---|---|
| Markdown | 1134a4857e04263fc706b079cfc79957ea8f0a954a223dc2ad96d4049b05336d |
| Publication page | 5e3f9f9afb3921a4c81838715744c07f273d21c173a47a7c215f2a39f7e3cdec |
| Manifest | 4189390c3bf2c8e891873c7b029d316ec6c42387171cf0bb1e647a7718b03092 |
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 | AunEKNzT+SEcFV1HtuNbOxD+SnwSXfyECkAH5f+GC0F4vhX8sTPhUoZ9cmzCTVnix06Wcwh9ZsAmClynn8rKDg== |
| 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
| 2026-10-30T12:41:47.696406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552observed 5e3f9f9afb3921a4c81838715744c07f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T12:41:47.635245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/manifest.jsonobserved 4189390c3bf2c8e891873c7b029d316e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:41:47.558632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/publication.mdobserved 1134a4857e04263fc706b079cfc79957...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:41:47.416758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/publication.txtobserved f35dc6330d58c014be6e2a691fada669...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:40.248908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552observed 5e3f9f9afb3921a4c81838715744c07f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:40.230442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/manifest.jsonobserved 4189390c3bf2c8e891873c7b029d316e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:40.213315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/publication.mdobserved 1134a4857e04263fc706b079cfc79957...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:40.187819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026552/publication.txtobserved f35dc6330d58c014be6e2a691fada669...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 |
|---|