OT-2026-000028479
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000028479) never changes.
Identity and time
| Publication number | OT-2026-000028479 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-746a-9c65-b6606fd9d03a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028479 |
| Status | PUBLIC |
Content hashes
| Canonical text | a934995ad6bbd2779bffb153a0e813afc0ead9bb4b5dfc09d1ee2a421816f40f |
|---|---|
| Markdown | bf32f98273ba2153b9b3a132a6ac0545777da458f402dd39bff491fb219bcf4d |
| Publication page | 54b1da5e555f7f854f38ede04edfc637a3d35750e6d197eaa83bc02d190218ca |
| Manifest | 29ef065f20f21ade7b8611330bad4e3086a38d9e4f02f3529883604598775e7d |
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 | PHrGcxfW3Zzar4xvJ9jFSBD6npeDZWPw9OnWD7b/CCh/CYHKu6yA56fpmAFp2b2icKL8Ah/V58DXe09tJPJdAQ== |
| 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
| 2026-09-17T11:40:37.614934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028479observed 54b1da5e555f7f854f38ede04edfc637...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.594311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028479/manifest.jsonobserved 29ef065f20f21ade7b8611330bad4e30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.565211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028479/publication.mdobserved bf32f98273ba2153b9b3a132a6ac0545...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.546426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028479/publication.txtobserved a934995ad6bbd2779bffb153a0e813af...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
| Custody package | Pending Custody packages are produced weekly. |
|---|