OT-2026-000020623
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000020623) never changes.
Identity and time
| Publication number | OT-2026-000020623 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e1-7b27-b55b-5f6b81ae0ace · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020623 |
| Status | PUBLIC |
Content hashes
| Canonical text | b362a85e5407cc618a6540e4ed30379b7896ace50434dd5afd88ffdf856c1414 |
|---|---|
| Markdown | 543281f48f6a089d80f0f5f53e44615757936ae4baf159430ce62960099f3175 |
| Publication page | c371f450bd690a268b7c84f8bbd170b3527d12a2c427c3a24f3f47ae08457996 |
| Manifest | f93d301a35cb9283c0182b6d35c8482c8007006893a8a0cee2ccc22965ef2791 |
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 | gontxx5IpQLV7CxfAM7bu78EbcBPYFj2HgAhYbzhoRYcleygSvzjhYZOgBjcrFJnFaEd6m2SuEvig9mXBnfKDw== |
| 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
| 2026-09-17T11:55:34.224908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020623observed c371f450bd690a268b7c84f8bbd170b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:34.207703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020623/manifest.jsonobserved f93d301a35cb9283c0182b6d35c8482c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:34.188906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020623/publication.mdobserved 543281f48f6a089d80f0f5f53e446157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:34.168660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020623/publication.txtobserved b362a85e5407cc618a6540e4ed30379b...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. |
|---|