OT-2026-000019171
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000019171) never changes.
Identity and time
| Publication number | OT-2026-000019171 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7d6b-9405-3ea878013618 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7226aa7d4a6735c4d8bc4f47e2c1acb296ba1219b1c4b3604ae339e2545edc89 |
|---|---|
| Markdown | 687b13fd04cc2fe8ddf79e727f6f3d4baaa5050d6b4db9faf50aba079a9f11cb |
| Publication page | f65f5845eca63721dc69aec133c32fa9fe50cd2dd95d51d543707ca273e115af |
| Manifest | 0fea91008696d68a547333470b5f508d80ea6f4fc5f44b860f3fedb742bec2f7 |
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 | 9IWwnYEiUKlpCqopzAoWs6L6HGC28jQgTKBwTiO7gh3Hh2av8gJNLUluzWReEHhSFIDY1aJWe0u1cTwUwGjEAg== |
| 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
| 2026-09-17T11:58:29.037110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019171observed f65f5845eca63721dc69aec133c32fa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:29.020718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019171/manifest.jsonobserved 0fea91008696d68a547333470b5f508d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:29.002504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019171/publication.mdobserved 687b13fd04cc2fe8ddf79e727f6f3d4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:28.986542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019171/publication.txtobserved 7226aa7d4a6735c4d8bc4f47e2c1acb2...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. |
|---|