OT-2026-000103681
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000103681) never changes.
Identity and time
| Publication number | OT-2026-000103681 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e462-74dc-9027-964b35a7f6d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103681 |
| Status | PUBLIC |
Content hashes
| Canonical text | baa9ff7ff4cd03bf5b42e28c4a10d94c91a297ffb4546bc2000353dcfe04ec63 |
|---|---|
| Markdown | 13d9c32e20284d79cec12e373339b4a6b387ae083e4c48006cdf33eb4b8d1d22 |
| Publication page | bff8d3f30c87061df12ef44a0637c5ff7579ca13bad70050af258be0984ef724 |
| Manifest | 33e1065996c0629669e73ef013c2f1ecf7adb72e426894ced3c0e50575844ddd |
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 | 2h/fq9CDTtARBre7dECXWmI9cioiedUpfc7Rxe3vzGw3q9QMBcOFZwbEd1xuZnrtXCUPcGRqSgmjZ0KI/+SmAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:29.054476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103681observed bff8d3f30c87061df12ef44a0637c5ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:29.038698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103681/manifest.jsonobserved 33e1065996c0629669e73ef013c2f1ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:29.022356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103681/publication.mdobserved 13d9c32e20284d79cec12e373339b4a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:29.003981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103681/publication.txtobserved baa9ff7ff4cd03bf5b42e28c4a10d94c...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. |
|---|