OT-2026-000076327
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076327) never changes.
Identity and time
| Publication number | OT-2026-000076327 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a70-74a6-8a50-45dbdd9d0e2f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076327 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f09a6f6adc5cbd856c78ef3a5498cb077636b6ce0fe9c63afebacd71152273d |
|---|---|
| Markdown | 987fcc03c914302c9632141584f5576ed1c95b6010e76f68fb3cb1a3baecad98 |
| Publication page | 1c45eff774cfa8adfa53e829af67bbb7bce41ec1378ea59ca08f27fdd716f9a1 |
| Manifest | fbb6896841f773d9c8ebfe6146de83d4e7038ead0ae9e8addbe7c0a20fbbfb9d |
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 | pNZJWYfpXNFQZqioU0MrBa6klwYP6RRhVO4uncRWFEhQb7P/1VL9WJEIshQiY/wV6oCS66gTGgSZ3cIOryQwAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-23T12:41:59.343834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327observed 1c45eff774cfa8adfa53e829af67bbb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:59.276752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/manifest.jsonobserved fbb6896841f773d9c8ebfe6146de83d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:59.210832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/publication.mdobserved 987fcc03c914302c9632141584f5576e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:59.118092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/publication.txtobserved 7f09a6f6adc5cbd856c78ef3a5498cb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:02.891112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327observed 1c45eff774cfa8adfa53e829af67bbb7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:02.831478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/manifest.jsonobserved fbb6896841f773d9c8ebfe6146de83d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:02.754730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/publication.mdobserved 987fcc03c914302c9632141584f5576e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:02.677484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076327/publication.txtobserved 7f09a6f6adc5cbd856c78ef3a5498cb0...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 |
|---|