OT-2026-000013989
Publication integrity record
Single cup vacuum gripper, three stage ejector, pulsed blow-off before set-down
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-2026-000013989) never changes.
Identity and time
| Publication number | OT-2026-000013989 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7ad7-81e5-d166b7f242f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c86fe6897e34581d63aec72feb0a3f118281e15f05931f6ebb34c1d9ab5c7eb |
|---|---|
| Markdown | 604b89aaf0ab5bc4e3ff71801d76bfc2aff0a202d4824e672f0449979853f974 |
| Publication page | 53b85415c95ba2d2c67a62da2c8eac00acc0eb48277e465248f094c831cc2fe6 |
| Manifest | ded10f19abcd103c7770d1ac9b4357c7836d3740347e8c51ff6e864029c36bbb |
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 | wEFe38t3w1dRyS+HQmXY1Eorlf+vjl99ybiRrP2B6lfGbdcJhTNqAJkb3PCXtnwnHNVVdJf3yoiQAMIToQz3DA== |
| 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
| 2026-09-17T12:09:12.398095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013989observed 53b85415c95ba2d2c67a62da2c8eac00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:12.377886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013989/manifest.jsonobserved ded10f19abcd103c7770d1ac9b4357c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.356414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013989/publication.mdobserved 604b89aaf0ab5bc4e3ff71801d76bfc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.337684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013989/publication.txtobserved 2c86fe6897e34581d63aec72feb0a3f1...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. |
|---|