OT-2026-000100440
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100440) never changes.
Identity and time
| Publication number | OT-2026-000100440 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66ef-7c3f-ac84-7cbc49724a03 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100440 |
| Status | PUBLIC |
Content hashes
| Canonical text | e53ec4d0f9130b7a2457892c6be6e85a2660f4e77c7e6e043c3e5bbdaf89b29e |
|---|---|
| Markdown | d658e3a74d4c46fe5838388212696d0bb6e7332e50ce4b7f6ed0a3e2eb8ce428 |
| Publication page | 724d91114433bac775752644308a509bad28cd854af968f8c67eea4748c4691b |
| Manifest | 0ac77d4e10893b95aa154d9cc21427dc87a96fbe6e54ae26932764f45b054f04 |
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 | +Gz4nrpH9hzZ6PpOj3/KJy1b/e7sE/1i1kmJDhOvhFKOPKzN5AMu7cSpO3cRwYus6UNjrIoSpLOQfadlj9maCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:11.045998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100440observed 724d91114433bac775752644308a509b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:11.027010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100440/manifest.jsonobserved 0ac77d4e10893b95aa154d9cc21427dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:11.011935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100440/publication.mdobserved d658e3a74d4c46fe5838388212696d0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:10.994696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100440/publication.txtobserved e53ec4d0f9130b7a2457892c6be6e85a...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. |
|---|