OT-2026-000028175
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028175) never changes.
Identity and time
| Publication number | OT-2026-000028175 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7e93-ad96-2762bc8735d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028175 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad61024c59aead499f15ec1b4c7fdf8555c3142d244036eb2d973003cac08644 |
|---|---|
| Markdown | 70332100baab145d4e222f77584727c47b4ef2ab27daec4d923719cf0c6566da |
| Publication page | 2f6eb49a8380cdd78ef334a52caac0ed944041863a899ab9fefe39ecf04564af |
| Manifest | 440fd1e00d6c79c8aefc06311c489ef2db72d7ab9d7d712ecb20e31abefe2ec9 |
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 | 3IxaWM3Ar2Ey9Vdj4AsgyRSst+Y376xRulYGpqZjnuuJ6ttsSDDbYLyzyLPWYoBzr5Iifqd9TL61DBSMDXPADA== |
| 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
| 2026-09-17T11:42:22.093368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028175observed 2f6eb49a8380cdd78ef334a52caac0ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:22.074394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028175/manifest.jsonobserved 440fd1e00d6c79c8aefc06311c489ef2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:22.050573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028175/publication.mdobserved 70332100baab145d4e222f77584727c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:22.020295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028175/publication.txtobserved ad61024c59aead499f15ec1b4c7fdf85...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. |
|---|