OT-2026-000028717
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000028717) never changes.
Identity and time
| Publication number | OT-2026-000028717 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7c06-b616-aac598987f76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b340b72161c85475b9ecd3401f93a5bf870561621081259d05c766d560a1480 |
|---|---|
| Markdown | 763b8c0e034f57f9953f11895cf1ba97dd7e2c1fadb4f4c4c72248c888e1d5b9 |
| Publication page | 4136d461a25e3977fc66edaedb4b7cba6eb261a8609a26475f8f6b66d1f2f7a9 |
| Manifest | a569a48176062a826fa308ad9d42da96e0211357ff3c9ff74209642d8f2a9634 |
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 | dAkdXX1W4UlxZZnIuIAJASFLBwvxJWti0KFvbg9aMC3mqFSZ/cYJuyfjyoxeDAnwceY1q2YszsX6Dx62HIJlAg== |
| 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
| 2026-09-17T11:41:43.444617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028717observed 4136d461a25e3977fc66edaedb4b7cba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.419905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028717/manifest.jsonobserved a569a48176062a826fa308ad9d42da96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.397927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028717/publication.mdobserved 763b8c0e034f57f9953f11895cf1ba97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.375879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028717/publication.txtobserved 6b340b72161c85475b9ecd3401f93a5b...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. |
|---|