OT-2026-000007646
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000007646) never changes.
Identity and time
| Publication number | OT-2026-000007646 · never reused |
|---|---|
| Internal UUID | 01a0ae62-76bd-7d1d-85ea-bab1d8d85e4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:01:23.688458Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007646 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55d57e6eac5333626e1246d9da96a197f97bfd997e4a34807e539456f5cccfef |
|---|---|
| Markdown | c4d8c0ab7f3562023f395657a6401520483e1590471378d479c606ad7f446b93 |
| Publication page | e728245d7d8d1cfcf29b93bbc40b5dda21f3e905732d21fb72e8ab0866548947 |
| Manifest | cf50e447fc6fc05f5d8d9c4ddb6a9cd920deb4fea18c673e6646dbee90c77662 |
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 | erLkUszi1SelqP5W3ebsaPzcSjPc2WJxgAbF3PTHUnEQv28dU3iZ5QsZ8IsvPi2E1SkhZvzLsSYVM4PmCjt+CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:07:02Z batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof root 8d90bf9341d96baa4328c218b6f85281... |
|---|
Independent retrieval
| 2026-09-17T08:10:15.944743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007646observed e728245d7d8d1cfcf29b93bbc40b5dda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:10:15.927226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007646/manifest.jsonobserved cf50e447fc6fc05f5d8d9c4ddb6a9cd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:10:15.909246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007646/publication.mdobserved c4d8c0ab7f3562023f395657a6401520...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:10:15.891713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007646/publication.txtobserved 55d57e6eac5333626e1246d9da96a197...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. |
|---|